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.
This is because both of these regions have specific subjective opinions about these areas which reflect their feelings and images.
What this means is that both West and East in Europe were influenced by particular political ideologies - West by democracy, whereas East was influenced by communism. Even today, Eastern and Western Europe are quite reflective of those ideologies.
The problem of elephant destroying trees in Southern Africa is due to competition
CHOAE SEUTROUA X RDEDAAA MAAAERA