What are two main forces that cause surface changes on earth?
a) erosion and plate tectonics
b) chemical and physical weathering
c) plate tectonics and weathering
d) weathering and erosion

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.

How has industrialization hurt the forest of europe

#4.) describe the most likely weather conditions at indiana / ohio boarder. also could someone double check my other answers? i'd really appreciate it