What causes volcanoes to form at a spreading plate boundary

How are farmers that use no plow farming methods able to improve air quality for the people around the fram

Stone mountain was formed during the formation of the blue ridge mountains around 300-350 million years ago and is considered part of the appalachian mountains. it formed as a result of the upwelling of magma from within the earth's crust. this upwelling, or solidified to form the that became stone mountain.

Adepression on the surface of the land caused by the collapse of a cave roof is a blank. a) valley b) sinkhole c) mound