The subject of science is very broad. With that being said, I think there is no official regulatory board that decides the branches of science. Scientific developments are products of joined efforts of different scientists. These scientists could rebuke another's work provided there is evidence. As long as the theory is generally accepted by the scientists and no one rebukes it effectively, then it is a generally accepted fact and everyone adapts it.
Hence, the answer is B.
There would be no water in the earth to drink, and as we all know that water is the most important essence in our daily lives.
I think it's B but I'm not to sure. hope that at least kinda helps.
For an earthquake to generate a tsunami you need both water and vertical movement.
