Acid-rain is strictly a man-made phenomenon resulting from the heavy industrialization of the eastern United States.

Question

Quizplus · Accepted Answer

Acid rain is not strictly a man-made phenomenon; it can also occur naturally. Natural sources include volcanoes and decaying vegetation which release sulfur dioxide and nitrogen oxides into the atmosphere. However, human activities, such as the burning of fossil fuels, significantly increase the concentration of these gases, exacerbating the problem of acid rain.

Acid-Rain Is Strictly a Man-Made Phenomenon Resulting from the Heavy