Ansswer:
Exosphere has no upper boundary, as it separates the other layers from space.
Thermosphere has energy from the sun that causes gas particles to become ions.
Mesosphere consists of gases that mix together as they drive global air circulation.
Stratosphere has a dry layer with few clouds and very dry air.
Troposphere is a dense layer containing breathable air and clouds in the sky.
Explanation:
Just took the test and got 100!
Answer:
I think It's D
Explanation:
If it's not D then it's B
Answer: to help in cell division in animals
Explanation:
Answer:
A) Cell Division helps animals repair old cells.
