ANSWER THESE THREE QUESTIONS PLSS NO LINKS!! How do pollutants get into groundwater?

What is the purpose of the dam located in
this watershed?

What impact can a dam have on this
ecosystem?

One of the largest seafood exporters to the united states is a. china b. brazil c. mexico d. saudi arabia

Elephants in the savanna regions of africa dig holes in dried up river beds to reach water lying just below the surface. these holes provide drinking water for other animals as well. so, without the elephants, many animals might otherwise die from lack of water during the dry season. the location in which the elephants live is an example of a/n and the role they play in creating water holes is an example of a a) ecosystem; habitat b) community; niche c) habitat; niche d) niche; habitat

Why is it important to study each branch of earth science?