What are the biotic, geomorphic and hydrolic processes of coasts?

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.

Can someone list any possible solutions to air pollution ?

The district of columbia could be eliminated completely if a majority of congress voted in favor of the action. a. true b. false