Answer:
The diffusion of water across the selectively permeable membrane of an alga is called osmosis
Explanation:
Answer:
because the membranes are selectively permeable.
Explanation:
Meaning it only allows certain ions to move across.
Answer:
...it is necessary for life.
Explanation:
continues to exist on the surface of Earth because the planet is at a distance far enough from the Sun that it does not lose its water to the runaway greenhouse effect, but not so far that low temperatures cause all water on the planet to freeze.
Answer: A. tropical plants grow on Antartica during summer months.
Explanation:
