Answer:
Fossil fuels were formed from the organic remains of prehistoric plants and animals. These remains, which are millions of years old, were converted by heat and pressure in the earth's crust into carbon-containing fuels. Both nuclear and fossil fuel power plants produce electricity the same way
hope this helps
Which are physical properties? Check all that apply.
Answer:
A physical property is any property that is measurable, whose value describes a state of a physical system. The changes in the physical properties of a system can be used to describe its changes between momentary states
Which sentence from the passage gives the best clue of what organizational pattern is used?a. "they have much larger ears than asian elephants. "b. "elephants have the largest brains of any land mammal. "c. "they are known to be very intelligent animals. "d. "they normally live between 50 and 70 years. "
'They have much larger ears than asian elephants' is the sentence which describes how organizational pattern is used.
What is Organizational pattern?This is used to show relationships between supporting details in a passage or text.
The sentence which depicts this from the passage is 'They have much larger ears than asian elephants'.
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Each kernel of corn on a single ear can inherit a different set of alleles from those inherited by other kernels. this characteristic makes corn a useful example of which law or principle? principle of dominance law of independent assortment law of segregation law of genetics
Mendelian genetics includes some laws which are law of dominance, law of segregation and law of independent assortment. The law followed by the corn for inheritance is law of segregation.
What are law of inheritance?Law of inheritance was given by Gregor Mendel, who is known as father of genetics.
The experiment was done on pea plant. Based on this experiment Mendel stated three laws. These are:
Law of Dominance: according to this law only dominant traits will be inherited in the offspring.Law of Segregation: according to this law, two copies of each hereditary factor segregate which results in acquiring one factor from each parent by offspring.Law of Independent Assortment: according to this law, pair of trait segregates independent of another pair during formation of gametes.Each kernel of corn on a single ear can inherit a different set of alleles from those inherited by other kernels. This is law of segregation.
Thus, the correct option is C.
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Answer:
B
Explanation:
Genes organized into an operon are beneficial to certain bacteria because the operon allows for:.
Answer:
coordinated regulation of a group of genes that encode proteins with a common function.
Kinetochore microtubules assist in the process of splitting centromeres by _____.
Kinetochore microtubules assist in the process of splitting centromeres by pulling toward opposite cell poles.
What are Kinetochore microtubules?Kinetochore microtubules are structural proteins responsible for the shape of the spindle during cell division.
Kinetochore microtubules attach chromosomes to the cell spindle microtubules of the cell poles.
This attachment is fundamental to ensure correct segregation during the process of cell division.
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How can a protein recognize a specific sequence of dna
Halons contain halogens, which are highly reactive with oxygen. please select the best answer from the choices provided t f
Answer:
IT"S TRUE
Explanation:
TRUE!E 2022
A plant can have either brown (B) or red (b) leaves. Brown is the dominant
trait. If a plant has genotype bb, which best describes the plant?
Answer:
The plant would be red.
Explanation:
It would be red because red leaves are a recessive trait which has lowercase b's so if the genotype for the plant is bb, it would be red. If the plant had BB, it would be brown and if it had Bb it would be brown but, it would be a carrier of the red gene.
An environmental impact refers to a change in the habitat and living conditions in ecosystems for plant and animal species. Which of the following
describes an environmental impact of using direct seeding mulch-based cropping (DMC) instead of traditional agricultural methods?
A. Reduced labor costs
B. Increased amount of food source
C. Stimulated biological activity in soils
D. Less equipment needed to farm
The statement that describes an environmental impact of using direct seeding mulch-based cropping instead of traditional agricultural methods is that there is reduced labor costs.
What is direct seeding mulch-based cropping (DMC)?The direct seeding mulch-based cropping is one of the agro-ecology strategies to improve agricultural practices.
Prior to the implementation of DMC, traditional approach of agriculture has been used. This has been labor-intensive i.e. uses a lot a labor.
Therefore, the statement that describes an environmental impact of using direct seeding mulch-based cropping (DMC) instead of traditional agricultural methods is that there is reduced labor costs.
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Define cardiac output.
Answer:
Cardiac output is a term used in cardiac physiology that depicts the volume of blood being pumped by both ventricles of the heart.
What age is most appropriate for making many repetitive requests?
Two
Ten
Fourteen
Sixteen
Answer:
I think that the answer is A) Two.
What mechanism is responsible for the targeted integration of a transgene into the host genome?.
Answer:
illegitimate recombination.
Explanation: Which of the following mechanisms is responsible for the random integration of a transgene into the host genome? Integration of introduced DNA into a random (nonhomologous) occurs by illegitimate recombination.
Non-homologous recombination with the help of a plasmid vector is a mechanism that is responsible for the targeted integration of the transgene into the host genome.
What do you mean by Integration?Integration may be defined as a process of incorporating the genetic material of a virus or any other transgene into the host genome.
Non-homologous recombination is a type of genetic recombination in which the segment of a gene is transferred to a different set of DNA which is the host genome.
It requires the usage of a plasmid vector that assists in the migration of transgene from the native genome to the host genome.
Therefore, it is well described above.
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#SPJ2
describe how glucose formed in a leaf becomes starch stored in a potato tuber
↪Glucose is usually converted into starch for storage. Starch is better for storage than glucose because it is insoluble. Plants like potatoes and other tubers, and also fruits like the banana store starch for later use. This starch is stored by special organelles, or cell subunits called amyloplasts.
☆...hope this helps...☆
Answer:
dehydration synthesis
Explanation:
monomers of the sugar glucose combine to form a single molecule of the sugar maltose. One of the glucose molecules loses an H, the other loses an OH group, and a water molecule is released when the water molecule is lost its no longer soluble hence its stored in the tuber as starch
The length of a DNA double helix increases by 0. 34 nm for every pair of nucleotides. The total number of nucleotides in a human body cell is 1. 2 X 10^10. Calculate the total length of double helix in a human body cell. Give your answer in metres.
The human body has 3.2 billion nucleotide pairs so the total length of the double helix in a human body cell is about 2 meters.
Two meters of DNA?DNA from a human cell is almost two meters long. To facilitate the organization of DNA within the cell nucleus, it is divided into elements called chromosomes.
With this information, we can conclude that the human body has 3.2 billion nucleotide pairs, so the total length of the double helix in a human body cell is about 2 meters.
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Which of the following statements is true regarding physical
changes?
SELECT ANSWER
A: Burning a log of firewood into ashes is an example of a
physical change.
B: physical change results in a change in the
composition of a substance.
C : Physical changes can be reversed.
D Melting sugar in water is an example of a physical
change.
Answer:
C. Physical change can be reversed.
A car follows a curved highway from point C to point D, covering a distance of
100 kilometers and displacement of 80 kilometers to the south in 2 hours.
What is speed and velocity of the car in kilometers per hour?
Answer:
102 kilometer
Explanation:
because when something goes kilometers you add the time plus how much kilometers
Complete the sentence to describe what a wave is and what it does.
A wave is a that carries from one place to another.
Answer:
a wave is -a continuous and repeating disturbance of a medium- that carries-energy-from one place to another
Explanation:
A certain type of butterfly that feeds on the on the green leaves of a plant. Some of the butterflies are green and some are yellow. These butterflies are a favorite food for a certain bird. Which type of butterflies will become more common when these birds move into this ‘environment?
The yellow butterflies
The green butterflies
Both yellow and green butterflies
None
Answer:
The yellow butterflies will become the "favorite food" for the bird as their color stands out more than the color of green butterflies.
Drag each tile to the correct location. classify the energy sources as renewable or nonrenewable. energy obtained from water springs inside the earth energy obtained from natural gas energy obtained from coal energy obtained from burning plant waste
Renewable energy sources are the sources which can never be exhausted. This can include natural gas and water from spring in earth. non-renewable are the one which are exhaustible, which include coal energy
What are the types of energy resource?Renewable sources of energy involves sunlight, water, biomass, etc. This can be replenished naturally.
Nonrenewable sources includes energy from fossils, coal, petroleum, etc. These are the resources if once exhausted can never be replenished or will take millions of years to replenish.
Thus, on this basis one can say that water spring inside the earth, energy from natural gas are renewable sources of energy while energy from coal energy from burning plants is non-renewable energy resource.
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How do humans reduce their greenhouse gas emissions
Answer:
Humans can reduce their greenhouse gas emissions (typically carbon, methane, etc.) by switching to all-electric appliances (a good brand that services this is Energy Star), using clean, renewable resources such as wind, solar, hydro, and thermal energy, and switching from a gas-powered car to electric, a huge step to reducing greenhouse gas emissions.
Explanation:
Greenhouse gases are gases that get trapped in the atmosphere and tend to produce more heat on Earth, the way a greenhouse traps heat for the purpose of growing plants better. However, greenhouse gases are bad for our atmosphere, and doing the things listed above can help improve our atmosphere. Hope this helps :)
Answer:
Use natural light instead of electric lights during the day.
Grow your own vegetables in a garden instead of shopping for them.
Explanation:
Plato
A delta is a formation built up by?
A river delta is a landform created by deposition of sediment that is carried by a river as the flow leaves its mouth and enters slower-moving or stagnant water. This occurs where a river enters an ocean, sea, estuary, lake, reservoir, or (more rarely) another river that cannot carry away the supplied sediment.
Answer:
Delta is build up by continuous deposition of sediments, which makes the water shallow, causing the landform to rise above the sea level. A delta is divided into four parts, i.e. subaqueous, subaerial, lower delta plain, upper delta plain.
Explanation:
Who was the scientist that identified the elliptical shape of the orbits of the planets in our solar system?.
Answer:
Johannes Kepler
Explanation:
Knowing then that the orbits of the planets are elliptical, johannes Kepler formulated three laws of planetary motion, which accurately described the motion of comets as well.
Kepler's Laws of Planetary Motion
Kepler's three laws describe how planetary bodies orbit the Sun. They describe how
1) Planets move in elliptical orbits with the Sun as a focus
2) A planet covers the same area of space in the same amount of time no matter where it is in its orbit
3) A planet’s orbital period is proportional to the size of its orbit (its semi-major axis).
The movement of substances from the bloodstream into the tubular nephron is referred to as:.
Answer:
tubular reabsorption I think
How can two organisms with a dominant trait for a specific feature produce an organism with a recessive trait for the same feature?
Answer:
because one of the organisms is heterozygous.
Explanation:
When an organism is heterozygous it carries both a dominant and a recessive allele therefore two organisms that are dominant for a specific trait can produce an organism with a recessive trait because one of those two organisms is heterozygous.
Which of the following statements is true for both solar energy and wind energy? (1 point)
Energy is able to be collected both day and night.
Energy collection equipment can be installed in agricultural areas without affecting crop production.
Power generation using this energy source does not contribute to water pollution.
Power from this energy source can easily be integrated into existing power grid systems.
Given what we know, we can confirm that Power generation using these energy sources does not contribute to water pollution.
What are solar and wind energy?Solar and wind energy are clean means to produce electrical energy to power our everyday needs. Solar energy uses specially created panels to harness the heat energy from the sun and produce electricity. Meanwhile, wind energy uses large propellers to harness the wind in order to power a turbine that in change produces electrical energy. By using natural sources to create electricity, these methods do not cause any form of pollution.
Therefore, we can confirm that Power generation using these energy sources does not contribute to water pollution.
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What is converted to electricity at geothermal power plants? at geothermal power plants, is converted to electricity.
Use of steam is the integral part of process in most power plants. In geothermal power plants, thermal energy (heat) from Earth is converted to electricity.
What is geothermal power plants?Geothermal power plants are used to generate electricity using Earth's thermal energy.
The process requires following steps.
Hot water is pumped under high pressure from deep underground through a well.Heating of water and its movement through a turbine creates thermal energy.In next step, it gets converted to electricity. The steam rotates the turbine that activates a generator which helps in producing electricity.Thus, it can be concluded as thermal energy is converted to electricity at geothermal power plants.
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write an acrostic for HONESTY
H - onor
O - neself
N - ow and always
E - arnestly and
S - incerly by
T - rusting
Y - ourself
Assume a physiologist has inserted a microelectrode into a neuron when it is at rest. The voltage recorded at the arrow tip will be __________.
Answer: -70 mV
Explanation:
Assume a physiologist has inserted a microelectrode into a neuron when it is at rest. The voltage recorded at the arrow tip will be -70 mV.
Plaque buildup in the arteries of the limbs is called.
Answer:
Atherosclerosis
Select the correct text in the passage.
Select the sentence that states an adaptation shown by the animals in the bathypelagic zone.
The bathypelagic zone spans from one to four thousand meters in depth. It is called the midnight zone, as there is total abs
Marine animals in this zone survive on the dead and decaying organic matter sinking from the upper zones. This matter is
detritus. They also prey on other animals. They have large mouths, sharp teeth, and flexible stomachs to accommodate la
Reset
Next
Answer:
marine animals in this zone survive on the dead and decaying organic matter sinking from the upper zones. this matter is deritus.
Explanation:
Answer:
They have large mouths, sharp teeth, and flexible stomachs to accommodate...
Explanation:
plato