Question

Differentiate between the Following:

Acid rain and Greenhouse gases

Answer 1

Basis of Difference	Acid rain	Greenhouse gases
Meaning	Acid rain is rainwater made acidic by pollutants that dissolve in it.	Greenhouse gases are atmospheric gases that absorb and trap heat.
Main cause	Sulphur dioxide and oxides of nitrogen react with water in the atmosphere to form acids.	Gases such as carbon dioxide, methane and nitrous oxide trap heat in the atmosphere.
Nature	Acid rain is a form of precipitation and an effect of air pollution.	Greenhouse gases are pollutants in the atmosphere that contribute to the greenhouse effect.
Main effect	It can damage plants, aquatic life, soil, buildings and human health.	Their increased concentration can raise Earth’s temperature and contribute to climate change.