Evaluate: sin(30)
13
30
ته انه
o
1
2.
2x
13x
O 1
DONE
COS(60°) =
90°
60°
DONE
х what is the answer
Answers
Answer:
the answer is 1/2
Explanation:
sin30°= opp/hyp
= x/2x=1/2
Related Questions
2. Some pollution comes from a single source, such as an oil spill. Is this point source pollution or nonpoint source pollution?
Answers
Answer:
point source comes from a specific identifieable 'point'
Explanation:
Identify Cause and Effect How did World War II affect migration affect migration patterns to and
within Europe?
Answers
Answer:
The end of World War Two brought in its wake the largest population movements in European history. Millions of Germans fled or were expelled from eastern Europe. Hundreds of thousands of Jews, survivors of the genocide perpetrated by the Nazis, sought secure homes beyond their native lands.
Which river does not begin in the Rocky Mountains?
A) Colorado River
B) Columbia River
C) Mississippi River
D) Missouri River
Answers
Answer:
Mississipi River
Explanation:
Mississipi River starts in Minnesota which is no where near the rockies.
Answer:
C) Mississippi River
Explanation:
Mississippi River rises in Lake Itasca in Minnesota and ends in the Gulf of Mexico.
On a per-square kilometer basis which three vegetation regions have the most value economically
Answers
Answer:
Vegetation regions can be divided into five major types: forest, grassland, tundra, desert, and ice sheet. Climate, soil, the ability of soil to hold water, and the slope, or angle, of the land all determine what types of plants will grow in a particular region
Explanation:
I researched it for you. Hope it helps :)
Forest, grassland, and tundra vegetation zones have the highest economic value per square kilometer.
What are the types of vegetation?There are five main categories of vegetation regions: forest, grassland, tundra, desert, and ice sheet. What kinds of plants may grow where depends on a variety of factors including climate, soil, water-holding capacity, and slope.
Because it provides oxygen, aids in the energy and nutrient cycling within an ecosystem, enhances the quality of the water, and helps to reduce flooding and land erosion, vegetation is crucial to the environment. Even our climate can be impacted by vegetation.
Additionally, vegetation plays a crucial role in the global production of food, timber, fuel, and other commodities, as well as in the utilization of fossil fuels as an energy source.
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All of these factors are forces that threaten the current democratic government of Afghanistan except _____.
Answers
Answer: Invasion of the Soviet Union
Explanation:
All of these factors are forces that threaten the current democratic government of Afghanistan except the invasion of the Soviet Union.
Boyle's Law is easily explained by the Kinetic Molecular Theory (KMT). C inside the balloon which serves as its container. If gas is compressed, its 1) is decreased but the same number of molecules are acting on and the frequenc balloon. Therefore, the area of the container is 2) between and among the wall and the molecules is (3) This results to an increase in pressure exerted by the 4) As pressure increases, there is a tendency for the balloor constant temperature, the 5) of a confined gas increases as volu Kinetic Molecular Theory (KMT) Explanation of Charles' Lav Kinetic Molecular Theory states that an increase in temperature increa of the molecules. Provided that pressure is constant, molecu moving more rapidly when there is an increase in 1). 2). resulting to an 3) in the rate at which molecu the surface of the container it occupies. There is also a corresponding increas this surface as the gas expands. Therefore, as temperature of the gas in also increases at constant pressure. The absolute temperature of its molecules. If temperature is doub kineti
Answers
Answer:
Kinetic Molecular Theory states that gas particles are in constant motion and exhibit perfectly elastic collisions. Kinetic Molecular Theory can be used to explain both Charles' and Boyle's Laws. The average kinetic energy of a collection of gas particles is directly proportional to absolute temperature only.
Explanation:
Hope this helps
why is air pollution such a problem in our society today?
Answers
Answer:
Air pollution is such a problem in our society today because of the many factories, and automobiles. We are burning and releasing so many toxins into the air that it is becoming unsafe. Everyday thousands of chemcials are brought into our lungs just from one simple breath. More people are developing asthma issues and lung cancer. In England there have been many fog storms from how much pollution has been put into our stratosphere. We need to take into consideration what we are doing to the animals, people, and plants in our society.
Answer:
From smog hanging over cities to smoke inside the home, air pollution poses a major threat to health and climate. Ambient air pollution accounts for an estimated 4.2 million deaths per year due to stroke, heart disease, lung cancer, lung cancer, acute and chronic respiratory diseases.
Explanation:
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This change in wind direction from Tuesday to Wednesday ______ correlate well with the forecast in Figure 13B-2 and the forecast for an occluding front on 03 February 2021.
Answers
When there is an occluding front as the one observed on 03 February 2021, there will be a change in wind direction.
What happens in an occluding front?The information given is not complete so instead there will be an overview of an occluding front.
An occluding front forms when there is low atmospheric pressure. Cold air then sinks underneath warm air and pushes it off the ground which leads to it being occluded.
As the occluded front passes an area, the wind would be forced to change direction.
Find out more on occluded fronts at https://brainly.com/question/15837339.
The change in fossils at the K-T sediment layer suggests that in addition to the dinosaurs, _________ also went extinct.
Answers
The change in fossils at the K-T sediment layer suggests that in addition to the dinosaurs,about three-quarters also went extinct.
What is KT layer?The K-T boundary layer serve as the layer that consists carbonaceous shale as well as the boundary claystone and the impact layer.
The fossil in this layer can used to study about extinction of animals such as the information about dinosaurs.
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If significant global warming happens, the consequences will be Choose one: A. a drop in sea level. B. an interruption of ocean currents and the heat transfer they accomplish. C. a shift in climate belts, with temperate climates moving to lower latitudes. D. weaker storms.
Answers
Answer:
The answer is most likely B or C, but I think B.
Explanation:
Hope this helps!
Why is standard time considered necessary ?
Answers
Answer:
Because time varies with change in longitudes
Answer:Generally, standard time agrees with the local mean time at some meridian that passes through the region, often near the centre of the region. Historically, standard time was established during the 19th century to aid weather forecasting and train travel. Applied globally in the 20th century, the geographical regions became time zones.
Explanation:
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Traditionally, the ganges valley and the nile valley have had comparatively high population densities because of their:.
Answers
Answer:
Natural Resources
Explanation:
High population density can be explained for many reasons, in this instance. There's a natural body of water for those to use and find food. Water usually attracts animals and also provides a source for hydration/other uses
The model shows global atmospheric circulation.
Identify the wind directions that are correct.
Arctic Circle
Tropic of Cancer
Equator
Tropic of Capricorn
Antarctic Circle
Answers
Answer:
1 and 4
Explanation:
your welcome
The wind directions that are correct are the Arctic Circle and the Tropic of Capricorn. Thus, options 1st and 4th are correct.
What is wind direction?By seeing where the wind is coming from, one may determine its direction. For instance, a north wind moves southward from the north. The exceptions include winds that are on or offshore.
The arctic circle and the Tropic of Capricorn are the two models that demonstrate the circulation of air around the world in the figure below. Usually, the direction of the wind is given in degrees or cardinal directions. Due to the rotation of the Earth's axis, the prevailing winds are those that are present at any particular time.
The Tropic of Capricorn and the Arctic Circle are the proper wind directions. Therefore, options 1st and 4th are correct.
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Your question was incomplete, probably the complete question was....
How many americans protested in american cities for the first earth day?.
Answers
Answer:
20 million people
Explanation:
Some 20 million people took part in the first Earth Day protests held across the United States on April 22, 1970. In New York City, the streets near Union Square Park were turned into an "ecological carnival" in one of the largest demonstrations the city had seen in decades.
The specific humidity of air changes when there is a change in:.
Answers
Putin would most likely align himself with nations who are a part of:
a. NATO
b. CSTO
c. NTSB
d. All of the above
Answers
Answer:
CSTO
CSTO is based upon the principle of: An attack on one member state is a attack on all member states.
3. Examples of Physical Geography are:
Answers
Hydrology: the Earth's water.
Glaciology: glaciers and ice sheets.
Biogeography: species, how they are distributed and why.
Climatology: the climate.
Pedology: soils.
Most earthquakes are a result of a. Erosion of bedrock. B. Mantle upwelling. C. Movement of rocks along faults. D. A sudden change in atmospheric pressure
Answers
Answer:
is the C
Explanation:
Although the interaction between tectonic plates is the main cause of earthquakes, it is not the only one. Any process that can achieve large concentrations of energy in rocks can generate an earthquake whose size arose, among other factors, from how large the stress concentration zone is.
i hope these help's you, if you give me the crown i will appreciate it
Most earthquakes are a result of the movement of rocks along faults. Thus, option C is correct.
A fault slips suddenly, resulting in an earthquake. Although the tectonic plates are always moving slowly, friction causes them to become impermeable at their borders. An earthquake occurs when the stress on the edge exceeds the friction, releasing energy in waves that flow through the earth's crust and produce the shaking we experience.
The Pacific Plate and the North American Plate are the two plates that makeup California. The majority of the Pacific Ocean's floor and the California Coastline are both part of the Pacific Plate. Most of the North American Continent and portions of the Atlantic Ocean's floor are made up of the North American Plate. The San Andreas Fault serves as the main dividing line between these two plates.
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Which type of space probe is designed to move around on the surface of a moon or planet?.
Answers
Answer:
Rover
Explanation:
The type of space probe designed to move around on the surface of a Moon or Planet
Compare and contrast The Solar Nebula Hypothesis and The Big Bang theory.
Answers
Answer:
The Nebular Hypothesis is an explanation for the formation of solar systems. The Big Bang Theory explains the origins of this universe.
Explanation:
The Solar Nebula Hypothesis is a theory that believes that all bodies in our solar system evolved from an enormous rotating cloud called the solar nebula. The big bang theory states that everything in the universe was once compressed into a single point. About 14 billion years ago, the matter and energy in the universe began to expand suddenly. The expansion was called the big bang. The universe is still expanding today.
Both the Solar Nebula Hypothesis and the Big Bang Theory deal with cosmic origins, they operate at different scales and explain different phenomena in the universe.
1. Solar Nebula Hypothesis:Scale: The Solar Nebula Hypothesis is primarily concerned with the formation of individual star systems, including our own Solar System.
Focus: It explains the formation of a single star (like the Sun) and its associated planets, moons, asteroids, and other celestial bodies.
Process: The hypothesis proposes that a rotating cloud of gas and dust, known as a solar nebula, collapsed under its gravity to form a central protostar (the Sun) while the remaining material formed a protoplanetary disk that eventually coalesced into planets and other objects.
Impact: This theory is critical for understanding the formation of planetary systems and is widely accepted as the mechanism for the birth of our Solar System.
2. Big Bang Theory:Scale: The Big Bang Theory is concerned with the origin and evolution of the entire universe.
Focus: It describes the cosmic event that marked the beginning of the universe as we know it, including the expansion of space, the formation of galaxies, stars, and planets.
Process: The theory proposes that the universe originated from an extremely hot and dense state around 13.8 billion years ago in a rapid expansion. As the universe expanded, matter and energy cooled down, allowing the formation of galaxies and cosmic structures over billions of years.
Impact: The Big Bang Theory is a foundational concept in cosmology, providing the framework for understanding the origin, evolution, and large-scale structure of the universe.
Similarities:
Both theories involve the formation of celestial bodies. The Solar Nebula Hypothesis explains the formation of star systems, while the Big Bang Theory explains the formation of galaxies, stars, and other cosmic structures.
Differences:
The key distinction lies in their scales: the Solar Nebula Hypothesis focuses on the formation of individual star systems, while the Big Bang Theory addresses the origin and evolution of the entire universe. Additionally, the processes involved are distinct, with the Solar Nebula Hypothesis focusing on the gravitational collapse of gas and dust clouds, while the Big Bang Theory describes the rapid expansion and cooling of the universe from an initial hot and dense state.
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What kinds of things are you more likely to see in a city than in the country? Check all that apply. O A. Violent crime B. A wider selection of goods and services C. Cultural mixing D. A slower pace There is more than one answer
Answers
You are more likely to observe in a city than in the countryside:
Violent crimeA wider selection of goods and servicesCultural mixWhat constitutes an urban area?The development of social structures and institutions, such as industries, buildings, roads and structures for modes of transport. Urbanization is marked by the concentration of people and greater population growth than rural.
Therefore, in the urbanization of cities, there is a focus on social and economic development.
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11
12
13
14
16
The first settlers of Australia were the
A. British
B. Aborigines
C. Maori
D. Micronesians
Please select the best answer from the choices provided.
Ο Α
ОВ
О С
OD
Answers
Answer:
A. British
Explanation:
What famous river is near the valley of the kings?.
Answers
Answer:
Nile River
Explanation:
Answer:Nile River
Explanation:At first glance, the Valley of the Kings, also known as the Valley of the Gates of the Kings, seems like no more than a sun-blasted gorge of generic red rock, but underneath all of its dust lay the tombs of 63 of the most important pharaohs in the history of Ancient Egypt. Used as a burial chamber for nearly 500 years from the 16th to 11th century BC, the Valley of the Kings was used for royal burials for the Kings, their families, and their possessions. In 1979, it became a World Heritage Site, as well as the rest of the Theban Necropolis.
The arrangement or grouping of soil particles into clusters, or aggregates is referred to as the soils__________.
Answers
Match each theme in column 1 with its East/South Asia description in column 2. Place Location Human-environmental interactions Region ? Increasing pollution caused by urbanization ? Deserts, rain forests, monsoon regions, and moderate regions ? Coastal East Asia, the subcontinent, Southeast Asia, Himalayas, and the steppes ? Northern Hemisphere, Eastern Hemisphere
100 POINTS pls help asap
Answers
Answer:
Location: Northern Hemisphere, Eastern Hemisphere
Place:Climate varies: deserts, rain forests, monsoon regions, and moderate regions
Region: Coastal East Asia, the subcontinent, Southeast Asia, Himalayas, and the steppes.
Movement: Long history of isolationism, with recent European culture spread affecting Asian countries.
Explanation:
no need
The Northern and Eastern Hemispheres are located is called as the location, and the climate varies between deserts, rain forests, monsoon regions, and moderate regions.
What is the location?A location is the location of a specific point or object. Location is an important term in geography, and is usually considered more precise than place.
The correct matches are:
Location: Northern Hemisphere, Eastern HemispherePlace:Climate varies: deserts, rain forests, monsoon regions, and moderate regionsRegion: Coastal East Asia, the subcontinent, Southeast Asia, Himalayas, and the steppes.Movement: Long history of isolationism, with recent European culture spread affecting Asian countries.Learn more about the location, refer to:
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In australia, locals built a 3,500-mile-long fence to keep which animal out?.
Answers
Answer: Dingoes
Explanation:
Dingoes were a major pest and killed farm animals
Which sea creatures are known to hold hands while sleeping? penguins.
Answers
Answer:
Otters!
Explanation:
They hold hands because they don't want to drift apart! They even sometimes wrap sea plants around them so they don't lose each other.
The ____________________ is responsible for a variety of elements throughout the state, including environmental quality on public lands and waters such as the beaches on the Gulf Coast.
Answers
The land commissioner is responsible for a variety of elements throughout the state, including environmental quality on public lands and waters such as the beaches on the Gulf Coast. Below is further explanation.
Who is a land commissioner?George Prescott Bush is a native Texan, born in Houston on April 24, 1976. He was elected Texas Land Commissioner on Nov. 4, 2014, earning more votes than any other statewide candidate on the ballot. Commissioner Bush took office on Jan. 2, 2015.
Therefore, the answer is a land commissioner.
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1. How is Earth a system?
Answers
Answer:
The earth is a vast, complex system powered by two sources of energy: an internal source (the decay of radioactive elements in the geosphere, which generates geothermal heat) and an external source (the solar radiation received from the Sun); the vast majority of the energy in the earth system comes from the Sun.
Answer:
The earth is a vast, complex system powered by two sources of energy: an internal source (the decay of radioactive elements in the geosphere, which generates geothermal heat) and an external source (the solar radiation received from the Sun)
Explanation:
A tsunami is typically formed when there is a earthquake in the ocean. The displacement of water causes extreme flooding.
Answers
Answer:
True.
Explanation:
The water from the Tsunami, or also known as Seismic Sea Waves, cause immense flooding.