The area behind an island arc that develops a spreading center and rifts is a(n) ______. multiple choice question.
The area behind an island arc that develops a spreading center and rifts is an back-arc basin.
A specific kind of geologic basin called a back-arc basin can be found at several convergent plate borders. Back-arc basins are now all underwater landforms connected to island arcs and subduction zones, with many of them being located in the western Pacific Ocean. The majority of them are the consequence of tensional pressures brought on by the oceanic trench rollback process, in which a subduction zone shifts in the direction of the subducting plate.
Back-arc basins are found in regions where the oceanic crust subducting plate is very ancient. Asymmetric seafloor spreading distinguishes back-arc basins from typical mid-ocean ridges, however this can vary greatly even within a same basin.
Therefore, option C is the correct answer.
The complete question is, "The area behind an island arc that develops a spreading center and rifts is a(n) ______.
A. Barrier Island
B. Microcontinental islands
C. Back-arc basin
D. Volcanic island arc
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Brief Discussion on
Rainfall
You hear about a magnitude 8. 0 earthquake on the news. Someone says "That doesn't sound too bad. An 8. 0 is just one more than the 7. 0 we had here last year. " Explain why that's not the right way
to think about the moment magnitude scale
You hear about a magnitude 8.0 earthquake on the news, and someone says it doesn't sound too bad since it's just one more than the 7.0 earthquake from last year. However, this is not the right way to think about the moment magnitude scale.
The moment magnitude scale is a logarithmic scale, meaning that each whole number increase represents a tenfold increase in the amplitude of ground motion and approximately 31.6 times more energy release. So, a magnitude 8.0 earthquake is not just one point more than a magnitude 7.0 earthquake, but rather ten times stronger in terms of ground motion and about 31.6 times more powerful in terms of energy release.
In conclusion, it is important to understand that the moment magnitude scale is logarithmic, and an increase in magnitude represents a significant increase in the earthquake's intensity and energy release. Therefore, an 8.0 magnitude earthquake is significantly more powerful than a 7.0 magnitude earthquake.
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Regions that receive up to 20 inches of rainfall per year are referred to as __________ because they receive more precipitation than most deserts. question 7 options: semiarid deserts coastal deserts polar deserts subtropical deserts
Answer:
Semiarid deserts.
Regions that receive up to 20 inches of rainfall per year are referred to as semiarid deserts because they receive more precipitation than most deserts.
Semiarid deserts are characterized by their dry climate, with average annual temperatures ranging from hot to cold. The vegetation in semiarid deserts is typically sparse, with shrubs and cacti being the dominant plants. These regions are found in areas where the climate is transitional between arid and humid regions, such as the Great Basin in the United States and the Kalahari Desert in Africa.
While semiarid deserts receive more rainfall than arid deserts, they are still prone to droughts and water scarcity. This can be a significant challenge for agriculture and human settlements in these regions. However, semiarid deserts also have unique ecosystems and biodiversity, with many plant and animal species adapted to the harsh conditions. Overall, semiarid deserts play an important role in the global ecosystem and are worthy of study and conservation efforts.
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mention two ways of maintaining carbon cycle
Two ways to maintain the carbon cycle are:
Reducing carbon emissions: One of the main causes of disruption in the carbon cycle is the excessive amount of carbon emissions that are released into the atmosphere. By reducing carbon emissions through the use of cleaner and more sustainable energy sources, such as wind, solar, and hydro power, we can help maintain the balance of carbon in the atmosphere.
Promoting reforestation: Trees play a crucial role in the carbon cycle, as they absorb carbon dioxide through photosynthesis. Promoting reforestation and afforestation efforts, such as planting new trees and protecting existing forests, can help increase the amount of carbon that is absorbed by vegetation and prevent it from accumulating in the atmosphere.
What will happen if the yellowstone volcano erupts?.
Answer:
If another large, caldera-forming eruption were to occur at Yellowstone, its effects would be worldwide. Such a giant eruption would have regional effects such as falling ash and short-term (years to decades) changes to global climate.
Hope this helps :)
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Which proccess mainly occurs in the gizzard of an earth worm?.
Grinding of food particles process mainly occurs in the gizzard of an earth worm.
An earthworm's gizzard is an organ that is situated between the oesophagus and the gut. It has strong, muscular walls and is filled with tiny sand and gravel fragments that help food grind as it goes through. Mastication, the act of breaking down food into tiny pieces so that earthworms can absorb the necessary nutrients, is crucial for earthworms.
Additionally, the gizzard aids in the digestion process by combining food particles and the earthworm's digestive juices. The gizzard's muscles contract and relax in a wave-like pattern, which aids in moving food through the digestive tract. Peristalsis is the term for this action.
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The Sun Unit Review Practice
6 of 6Items
Item 6
Select the correct answer from the list. (2 points)
During the low point in the sun's 11-year cycle, the
field lines up with the poles, resulting in
sunspots. At the peak of the solar cycle,
sunspots tend to form. During that phase of the solar cycle, intense bursts of radiation cause
. This often occurs with coronal mass ejections, which are
from the sun
what word fit in the blanks PLEASE HELP
Answer:
During the low point in the sun's 11-year cycle, the magnetic field lines up with the poles, resulting in fewer sunspots. At the peak of the solar cycle, sunspots tend to form. During that phase of the solar cycle, intense bursts of radiation cause solar flares. This often occurs with coronal mass ejections, which are powerful eruptions from the sun.
Sunspots form when the magnetic field aligns with the poles at the lowest point of the sun's 11-year cycle. Sunspots typically develop during the height of the solar cycle. Solar flares are produced during that period of the solar cycle by powerful radiation bursts. This frequently happens with coronal mass ejections, which are solar flares that release large amounts of energy.
What is the solar cycle?
A cycle known as the solar cycle occurs once every 11 years on average in the sun's magnetic field. Our sun is a huge ball of hot, electrically charged gas. There is a strong magnetic field produced when this charged gas flows. The magnetic field of the sun goes through a cycle known as the "solar cycle."
Why do magnetic fields exist?
The magnetic field is the region where a magnetic substance or a moving electric charge experiences the effects of magnetism. a picture of the magnetic field and how the magnetic force is distributed both inside and outside of a magnetic object.
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Explain why land reform can lead to an increase in farm production.
Land reforms are frequently justified on the grounds of advancing fairness, lowering poverty, ensuring the nutrition of households with limited access to land, redressing social injustices, and preventing social unrest.
According to the many roles that land has played throughout history—as a component of production, a repository of wealth and value, a status symbol, or a source of social and political influence—the notion of land reform has changed throughout time.
If properly implemented, the need for land reform from the perspective of social justice and for a more fair allocation of fertile farmland provides a significant opportunity for growth. A key strategy for accelerating agricultural expansion is increased private sector involvement in land redistribution, supported by state-sponsored enabling laws, incentives, and monitoring procedures. By 2030, it is probable that the actual agricultural gross value added will have significantly increased thanks to a series of initiatives in five key sectors of the agricultural industry.
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Which of these is the best indication of the relative age of a rock of age
The best indication of the relative age of a rock is its position in relation to other rocks. This is because the law of superposition states that in an undisturbed sequence of sedimentary rocks, the oldest layer is at the bottom and the youngest is at the top.
So, by examining the layers of sedimentary rocks, we can determine their relative ages. Another important factor is cross-cutting relationships. This means that if a rock layer is cut by a fault or intrusion, then the fault or intrusion must be younger than the rock layer.
Finally, the principle of faunal succession can also be used to determine relative ages. This principle states that fossils found in a rock layer can be used to correlate the rock layer with other rock layers containing the same fossils, which provides information on their relative ages.
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What ecosystem covers almost one-third of South America and nearly all of Central America?
jungle
rain forest
temperate
desert
Answer: Tropical Rain Forest
Explanation: Hope this helps <3
what is greenhouse effect ?
Answer:
It is the effect that results from emmiting gasses that trap the thermal energy that come from the sun, it also causes global warming and melting the ice of the two poles.
Precautions to take during the midst of a tropical cyclone
Precautions to take during the midst of a tropical cyclone are to stop driving, disconnect the electrical appliances, and stay indoors.
A spiral formation of thunderstorms resulting in torrential rain and squalls, a low-pressure centre, and strong winds are the characteristics of a tropical cyclone, a fast revolving storm system.
Avoid driving since the roads will be slick and it will be difficult to maintain control of the car in the wind. To prevent short circuits and damage, you should turn off the gas and unplug the electrical appliances. Shut your windows and doors with shutters while remaining inside the house.
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Helpp I need to figure it somthing
true or false? islands with few resources rely on imports of goods.
Answer: True
Explanation:
Because of the few resources, Islands cannot be independent.
10.) in the yukon territory, how glaciers actually got bigger over time?
Answer: It could be from the snow and ice buildup or the glaciers hit each other.
Explanation:
In the Yukon Territory, glaciers have actually gotten bigger over time due to a combination of factors. One of the primary reasons is increased precipitation, which leads to more snowfall that accumulates and eventually turns into ice.
Additionally, changes in temperature and weather patterns can affect the movement and formation of glaciers. For example, warmer temperatures can cause more melting at lower elevations, but can also lead to increased ice accumulation at higher elevations. This can cause glaciers to advance and grow in size.
Another factor is the topography of the land, which can influence how glaciers move and accumulate ice. Overall, the growth of glaciers in the Yukon Territory is a complex process that is influenced by a variety of environmental factors.
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Which are true of richter or local magnitude calculations?.
The amplitude of seismic waves captured by a seismograph is used to calculate the Richter magnitude. Calculations of the local magnitude determine the size of an earthquake at its epicenter.
1. The formula used to determine Richter magnitude uses the logarithm of the amplitude of seismic waves recorded on a seismograph. This calculation is used to determine an earthquake's magnitude.
2. Richter magnitude is determined using one formula, whereas local magnitude—also referred to as the "moment magnitude"—is determined using another.
The extent of the ruptured fault, the amount of ground displacement, and the quantity of energy released are all factors in this computation. This calculation is used to determine an earthquake's size at its epicenter.
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The costumes of the people in the procession are the result of synthesis between religion and ethnicity that.
The costumes of the people in the procession reflect the cultural blending of religion and ethnicity.
The clothes that the participants in the procession are wearing are a mix of their nationality and faith, expressing their distinct identities. This synthesis results in an amalgamation of cultural values, beliefs, and traditions that are incorporated into the procession's uniformity. The costumes may consist of ethnic apparel like kilts, vests or shawls as well as customary religious attire like headdresses, sashes or vibrant robes.
When these two factors are combined, a special appearance is produced that is unmistakably indicative of the participants' respective ethnic and religious backgrounds. As it demonstrates a unity of values, beliefs, and traditions that allows for a stronger sense of identification with their culture and religion, this synthesis also serves to bring the various components of the community together.
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A sudden movement along the boundary of a tectonic plate is an (blank)?
A sudden movement along the boundary of a tectonic plate is an earthquake.
When there is a sudden movement or shift at the boundary between two tectonic plates, it releases energy in the form of seismic waves, which we feel as an earthquake.
Earthquakes can cause a wide range of destructive effects, including ground shaking, landslides, and tsunamis. The severity of the effects depends on a variety of factors, such as the magnitude of the earthquake, the distance from the epicenter, and the geological features of the area. In areas with poorly constructed buildings and infrastructure, earthquakes can cause significant damage and loss of life. Scientists study earthquakes to better understand the behavior of tectonic plates and to develop strategies for predicting and mitigating their effects. In regions prone to earthquakes, preparedness measures such as earthquake-resistant building design and early warning systems can help minimize the damage and loss of life.
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If the diameter of Earth is approximately 8000 miles, approximate the distance between A and B if angle ACB has the indicated measure. (Round your answers to the nearest mile.) A) 49 degrees B) 4 degrees
When angle ACB is 49 degrees, the approximate distance between A and B is 3420 miles. when angle ACB is 4 degrees, the approximate distance between A and B is 280 miles.
A) For angle ACB = 49 degrees:
Step 1: Convert the diameter of Earth (8000 miles) to its radius, since we'll be working with a circular geometry. The radius of Earth is half the diameter, so it's 4000 miles.
Step 2: Use the formula for finding the arc length (distance between A and B) on a circle, which is:
Arc length = Radius x Angle (in radians)
Step 3: Convert angle ACB from degrees to radians:
Radians = Degrees x (π/180)
Radians = 49 * (π/180) ≈ 0.855 radians
Step 4: Calculate the arc length (distance between A and B):
Arc length = 4000 miles x 0.855 radians ≈ 3420 miles
So, when angle ACB is 49 degrees, the approximate distance between A and B is 3420 miles.
B) For angle ACB = 4 degrees:
Step 1: We already know the radius of Earth is 4000 miles.
Step 2: Convert angle ACB from degrees to radians:
Radians = 4 x (π/180) ≈ 0.070 radians
Step 3: Calculate the arc length (distance between A and B):
Arc length = 4000 miles x 0.070 radians ≈ 280 miles
So, when the angle ACB is 4 degrees, the approximate distance between A and B is 280 miles.
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Joe is using the function E = 1. 89x + 2. 89y to minimize his expenses when selling markers and erasers. He has the following
constraints.
The maximum value of E is $13.34. So the option D is correct.
The function is E = 1.89x + 2.89y.
The following constraints are:
2x + y ≥ 10
x + 2y ≥ 8
x ≥ 0
y ≥ 0
The equations are
2x + y = 10 ...............(1)
x + 2y = 8 ...............(2)
Simplify the equation 1 and 2 to find the value of x and y.
Eliminate the y from the equation 1.
2x + y = 10
Subtract 2x on both side we get
y = 10 - 2x
Substitute the value of y in equation 2
x + 2(10 - 2x) = 8
Simplify
x + 20 - 4x = 8
20 - 3x = 8
Subtract 8 on both side, we get
12 - 3x = 0
Add 3x on both side, we get
3x = 12
Divide by 3 on both side, we get
x = 4
Substitute the value of x in y value.
y = 10 - 2(4)
y = 10 - 8
y = 2
Substitute the value of x and y in the function to find the maximum value of E.
E = 1.89x + 2.89y
E = 1.89(4) + 2.89(2)
E = 7.56 + 5.78
E = 13.34
So the option D is correct.
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The complete question is:
Joe is using the function E = 1.89x + 2.89y to minimize his expenses when selling markers and erasers. He has the following constraints.
2x + y ≥ 10
x + 2y ≥ 8
x ≥ 0
y ≥ 0
What is the maximum value of E.
A. $15.12
B. $9.45
C. $28.90
D. $13.34
Industrial technology development has made almost everything possible. However, there are still limitations in changing the natural features to human features. What do you think are the reasons?
Overall, while industrial technology has enabled humans to achieve many things, there are still limitations in transforming natural features into human features due to the complexity of these features, the environmental impacts of such transformations, ethical concerns, and technological limitations.
While industrial technology has made significant advancements, there are still limitations in changing natural features to human features due to several reasons:
Complexity of Natural Features: Natural features, such as mountains, rivers, and forests, are complex and have evolved over millions of years through natural processes. These features are influenced by a range of factors, including geology, climate, and ecology, and cannot be easily replicated or transformed into human features.
Environmental Impact: Transforming natural features into human features often has significant environmental impacts, such as habitat loss, soil erosion, and water pollution. Such impacts can have long-term consequences for the health and sustainability of ecosystems and the species that depend on them.
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Describe one of the festival celebrated in east & southeast asia
Answer: Lunar New Year
Explanation:
!!!!just one of many festivals!!!!
Lunar New Year is the first new moon of a lunar calendar or lunisolar calendar year, whose months are moon cycles. The event is celebrated by numerous cultures in various ways at diverse dates. Check out: https://en.wikipedia.org/wiki/Lunar_New_Year to read about how each country celebrates it. Hope this helps :)
One of the most celebrated festivals in East and Southeast Asia is the Lunar New Year, also known as the Spring Festival.
This festival is typically celebrated in January or February, depending on the lunar calendar, and is considered the most important holiday in many Asian cultures.
During the Lunar New Year, families come together to enjoy traditional foods, exchange gifts, and participate in various cultural activities such as dragon and lion dances. In China, the Lunar New Year festivities last for 15 days, with each day having its own special meaning and customs.
The Lunar New Year is also celebrated in other countries such as Vietnam, South Korea, and Singapore, with each culture putting its own unique spin on the holiday. Overall, the Lunar New Year is a time of joy, reflection, and renewal for many people in East and Southeast Asia.
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This geophysical data is used to assess the ______ in a basin. This information is then used groundwater in the basin
The geophysical data is used to assess the groundwater resources in a basin. This information is then used to manage and monitor groundwater in the basin.
Geophysical data plays a vital role in both assessing and managing groundwater resources in a basin. Using techniques such as electrical resistivity, seismic, and magnetic surveys, geophysicists can identify and characterize aquifers and their properties. Once the groundwater resources are assessed, it is crucial to implement sustainable management practices to prevent over-pumping and contamination. This includes setting up monitoring systems to measure groundwater levels, quality, and flow rates, and implementing measures to protect the resource. By effectively managing groundwater resources, we can ensure their long-term availability for human consumption, agriculture, and industry.
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This geophysical data is used to assess the subsurface structure and properties in a basin.
By analyzing various geophysical measurements, such as electrical resistivity, seismic reflection, and gravity anomalies, geoscientists can create a detailed picture of the subsurface geology, including the distribution of rocks, sediments, and fluids.
This information is then used to better understand the hydrogeology of the basin, particularly the distribution and movement of groundwater. For example, if the geophysical data indicates the presence of a thick layer of impermeable rock, it may suggest that groundwater is not able to flow freely through that layer. Conversely, if the data shows a highly conductive zone, it may suggest the presence of a large aquifer that could provide a sustainable water supply.
Overall, geophysical data plays a critical role in helping to manage and protect groundwater resources, which are essential for many human and ecological needs.
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Discuss drought prevention and drought preparation strategies
Some drought prevention and preparation strategies include:
Water conservationDrought monitoring and early warning systemsWater storageHow to prepare for droughts ?One of the most effective ways to prevent and prepare for drought is to conserve water resources. This can be done through a variety of measures, such as improving water-use efficiency, reducing water loss from leakage, promoting water recycling, and encouraging the use of drought-resistant crops.
Drought monitoring and early warning systems can help to identify areas at risk of drought and provide information on the severity and duration of drought conditions.
Building and maintaining water storage facilities, such as reservoirs and groundwater aquifers, can help to ensure that water is available during periods of drought
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which of the following is the best method for determining the probability of future earthquakes for a particular area? paleoseismology; history of past earthquake activity in the area watch for any changes in the behavior of animals compare the phase of the moon relative to the time of month keep track of the frequency of volcanic eruptions in other parts of the world
Paleoseismology; history of past earthquake activity in the area is the best method for determining the probability of future earthquakes for a particular area. The right answer is a.
To determine the historical timeline of earthquakes at each location, earth scientists might collect data at significant sites along fault sections. Paleoseismology is the study of ancient earthquakes. Paleoseismologists' fundamental premise is that what has previously occurred will probably happen again in the future.
This means that paleoseismologists are required to gather data on the dates and magnitudes of previous earthquakes that occurred on faults. Going to the correct place is necessary to find these paleoearthquakes. Researchers first look at the topography to identify active faults, then visit locations where earthquake-related artefacts may still be present.
The correct answer is option a.
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How could the movements of the planets in the solar system be used as evidence for how the solar system formed?
The planets orbit the Sun in the same direction and have nearly circular orbits. This suggests that the solar system formed from a rotating cloud of gas and dust that began to collapse in on itself due to gravity.
Thus, the movements of the planets in the solar system can provide evidence for how the solar system formed. As the material spun faster, it flattened out and eventually formed the planets and their orbits.
The motions of the planets are also affected by the presence of the other planets in the solar system, indicating that the planets formed together rather than separately.
This also explains the reason why the planets closer to the sun are rockier and the planets far away are rather gaseous while spinning the rocky particles might be attracted more strongly. This evidence is consistent with the current understanding of the formation of the solar system.
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Please help ASAP
Earth’s surface is made up of a system of moving plates. The heavy black lines on the map mark the plate boundaries. The map also shows the approximate age of different parts of the ocean floor in millions of years (m.y.). Which statement is best supported by the data in the map?
The map of the Earth's surface shows that C. The parts of the ocean floor that are closer to a plate boundary tend to be younger than other parts of the ocean floor.
Why is this so ?The ocean floor is constantly being created and destroyed due to the movement of tectonic plates. At mid-ocean ridges, new oceanic crust is formed through volcanic activity and spreads outwards, away from the ridge.
As the crust moves away from the ridge, it cools and becomes denser, eventually sinking back into the mantle at subduction zones. As a result, the oceanic crust closest to a plate boundary is generally younger than the crust farther away from the boundary.
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the critical new developments in telescopes. Write a 200 word paper on the new developments.
The field of telescopes has been advancing rapidly in recent years, with numerous new developments and technologies changing the way we view and understand the universe.
What is the explanation for the above response?One of the most significant new developments in telescopes is the increasing use of adaptive optics, which allow for the correction of distortions caused by Earth's atmosphere. This technology is being used to build increasingly larger ground-based telescopes, which can produce images comparable to those captured by space-based telescopes.
Another major development is the increasing use of interferometry, which involves combining data from multiple telescopes to produce high-resolution images. This technique is allowing researchers to study objects in unprecedented detail, including black holes and other phenomena that were previously difficult to observe.
In addition, new telescopes are being designed and constructed with advanced optics and detectors, allowing them to capture data across multiple wavelengths, including infrared and X-ray. These telescopes are revolutionizing our understanding of the universe, revealing new insights into the nature of dark matter, the origins of galaxies, and the evolution of the universe itself.
Overall, the new developments in telescopes are allowing us to explore and understand the universe in ways that were previously unimaginable, paving the way for groundbreaking discoveries and advancements in our knowledge of the cosmos.
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Choose the correct statement that best distinguishes between astrology and astronomy. AAstrology is the study of stars only. Astronomy is the study of planets only.BAstrology is the study of the Moon only. Astronomy is the study of stars and planets only.CAstrology is the study of influence of cosmic objects on human lives. Astronomy studies celestial objects and related phenomena.DAstrology is the study of planets only. Astronomy is the study of stars only.
Answer:
C. Astrology is the study of influence of cosmic objects on human lives. Astronomy studies celestial objects and related phenomena.
The correct statement that best distinguishes between astrology and astronomy is C: "Astrology is the study of influence of cosmic objects on human lives. Astronomy studies celestial objects and related phenomena."
Astrology and astronomy are two distinct fields of study that are often confused with each other. While astrology is based on the idea that the position and movement of celestial objects can influence human lives and events, astronomy is the scientific study of celestial objects and phenomena.
Astrology is considered a pseudoscience and has no scientific evidence to support its claims, whereas astronomy is a recognized scientific discipline that uses the scientific method to understand the universe. Astronomers use telescopes and other instruments to observe and study the properties and behavior of celestial objects such as stars, planets, and galaxies, and to make predictions about their behavior based on scientific principles.
Option C holds true.
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