HELP HELP HELP IDK AND ITS DUE 10 minutes

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.

Because its government strictly controls its economy, north korea has a economy. a. command b. mixed c. traditional d. free market

Explain the differences between convergent, divergent, and transform fault boundaries.