I believe it would be the biosphere hoped this helped!
Explanation:
The answer is F...because h2o molecules are heavier than the atmosphere it surrounds. Therefore, gravity takes over. plse correct me if wrong.
because of gravity, h2o is directed down. That's how plants survive, Remember, ..what goes up, must go down...per " isaac newton."
The answer would be “A cancer cell” i believe.
Do You have a picture of what you’re trying to figure out
I would think A - Volcanic eruptions can cause both global warming and global cooling.