A. seafloor spreading at mid-ocean ridges
um...wow...this is kind of a hard one so.............
I think the answer is A. by plants and animals as a source of water.
My second answer/guess...IF i'm rough would be C. by humans for drinking and bathing.
Answer:
The water cycle
Explanation:
All our sources of fresh water, like rivers, wells, and aquifers, are dependent on <u>the water cycle</u> to replenish and maintain themselves.
