Which statement is most correct concerning volcanic effects on our atmosphere?
A) Pollution of the atmosphere by sulfur compounds contributes significantly to acid rain.
B) Gases from volcanoes condense to make natural fertilizer, boosting plant growth.
C) If it were not for active volcanism there would be no free oxygen in the atmosphere.
D) Active volcanism is responsible for maintaining atmospheric levels of nitrogen.

Question

Quizplus · Accepted Answer

Volcanic eruptions release sulfur dioxide (SO2) into the atmosphere, which can combine with water vapor to form sulfuric acid, contributing significantly to acid rain. This process can have widespread environmental impacts, including the acidification of lakes and streams and damage to vegetation.

Which Statement Is Most Correct Concerning Volcanic Effects on Our