Write a summary about the four tribes of climate change by Geoff dembicki

Atown is built on the banks of a small lake on the edge of a desert. after some time, the townspeople discover that water from the lake has become too polluted to use. describe one way that the lake may have been contaminated by the actions of the townspeople, and explain how the townspeople can remediate this problem.

Which country is currently the most populated country in the world? a. india b. china c. mongolia d. indonesia

Can someone me? i need to have this done as soon as possible! i'm putting 20 points on this!