Question 1 Report
Sulfur dioxide and nitrogen oxides released from burning coal dissolve in rain clouds. What environmental problem does this most directly cause?
Sulfur dioxide and nitrogen oxides from burning coal dissolve in the water in rain clouds to form acids, so the rain that falls is acidic. This acid rain damages trees and makes lakes too acidic, harming or killing the organisms living in them. Acid rain is a distinct problem from ozone depletion, and it lowers rather than raises the pH and oxygen quality of affected lakes; eutrophication of the open ocean is caused by nutrient runoff, not by these acidic gases.
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