<span>When magma reaches the surface through a volcano, it is called lava. When lava cools, it forms extrusive igneous rock. The process by which rocks are worn down by wind and water, creating sediment.</span>
Erosion, deposition, and weathering
Floods! Floods don't really happen to much, but there was a big one which caused the land to become super moist. Which made it difficult to do Dry Farming. I hope this helped! :)
A. The formation of new democracies after the fall of the Soviet Union