I am pretty sure the awnser is B the collapse of communism
Aa is lava that forms a thick ,brittle crust . Pahoehoe is a lava that
forms a thin crust. Pillow lava forms when lava erupts underwater.
Blocky lava is kool, stiff lava that does not travel far from thr
eruption site.
Answer:
Trees serve as natural filters so the effect on water quality would be so much you prob couldn't use or drink. it could also make to much water so the watershed could not handle it causing to create more rivers and more and multiple and frequent flooding, to much water, and other bad things.
Explanation:
#SaveTheTrees
D. along rivers and streams
Artificial Boundaries, because countries are way more likely to dispute and fight wars over this type of boundary, than natural boundaries <span />
