The dam could burst or, if not properly constructed cause water to spill over the sides and top of the dam. Hope this helps.
Answer:
because it can cause you severe reaction that could kill you
assuming that there are no answer choices, as you did not provide any, I shall say that the most likely result in the creation of a bunch of fossils would be a lot more oil, as the fossil fuel didn't get its name for nothing. there are other possibilities, but without the answer choices this is the best I could do. hope this helps!
The organism would not have to find a partner in order to reproduce.