BIOLOGY HIGH SCHOOL

How are plate tectonics formed? How do we know they exist (list 4-5 pieces of evidence)? And what are the different boundries?

Answers

Answer 1
Answer: Tectonic plates are the result of the mantle cooling on the surface. At plate boundaries or "zones" occure, there are different reactions along the edges of them. Divergent is when two plates move away from one another allowing fresh molten rock to flow to the surface. This results in a volcano. Covergent boundaries are when plates come together, resulting in mountain ranges. Transforming boundaries are when they slide up against each other causing earthquakes. More examples of proof of plate tectonics is the changing of Pangea into the world as we know it and subduction zones that reveal fossils that were deeply buried under layers of earth.

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Why was Charles Darwin considered to be a revolutionary?

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Charles Darwin was considered revolutionary because of his contributions to the evolutionary theory 

Usually, it is observed that climates in coastal regions are moderate as compared to climates in the interiors of continents. Why is this so?

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The water bodies affects the climate of the particular place because it influences the air pressure near the water bodies.

The heated air takes much energy to heat the water bodies so the environment there is moderate.

In case when the air is cooler than water then heat goes from water to air and it does not takes much energy to raise the temperature of the air.

In this way the climate is moderate at the coastal regions.
Th is more of a Geography question but its because the Ocean levels out the temperatures in the area around it. That is all I really remember, our teacher didn't explain too much on the subject.

Which is true about the temperature of a gas?At a higher temperature, the particles have a higher average kinetic energy.

At a higher temperature, the volume of the gas is smaller.

At a lower temperature, there are more particles in the gas.

At a lower temperature, the particles in the gas move faster.

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The right answer for the question that is being asked and shown above is that: "At a higher temperature, the particles have a higher average kinetic energy." The statement that is true about the temperature of a gas is that At a higher temperature, the particles have a higher average kinetic energy.

Which evidence provides support for the nebular theory. a) scientists have observed the formation of a distant solar system. b) the nebular theory has been proven mathmatically. c) astronomers have observed proplanetary disks around distant newborn stars. d) none of the above

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Evidence that provides support for the nebular theory can be revealed by the third option C) astronomers have observed proplanetary disks around distant newborn stars.  Observing is the most reliable proof for any theory. I'm sure it will help! Regards.

What is puberty why it's important​

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Answer:

the changes of become bigger

Explanation:

its important for us to mature so we dont stay small forever

Changes to your body.

Watch big mouth to understand.

Which of the following is a characteristic that all prokaryotic and eukaryotic cells share?Use of chloroplast to create food.
Use of mitochondria to obtain energy.
Presence of a cell wall to maintain osmotic pressure.
Presence of DNA to store heredity information.

Answers

 eukaryotic cell has a plasma membrane ribosomes. However, unlike prokaryotic cells, eukaryotic cells have: a membrane-bound nucleus. also
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