Which causes acid rain?

Question

Quizplus · Accepted Answer

SO2 (sulfur dioxide) is the primary cause of acid rain, formed when fossil fuels containing sulfur are burned. When it is released into the atmosphere and reacts with water and other substances, it forms sulfuric acid, which can fall to the ground as acid rain. CO2 (carbon dioxide) does not directly cause acid rain but is a greenhouse gas that contributes to climate change. HCO3 (bicarbonate ion) and NaOH (sodium hydroxide) are not related to the formation of acid rain.

Which Causes Acid Rain