Environmentaleasy · Past Paper
What is the primary cause of the greenhouse effect?
AThinning of the ozone layer
BTrapping of heat by atmospheric gases
CReflection of sunlight by clouds
DVolcanic eruptions
✓ Correct Answer: B — Trapping of heat by atmospheric gases
The greenhouse effect occurs when certain gases in Earth's atmosphere trap heat, preventing it from escaping into space.
Share this question
More from Environmental
- The 'Montreal Protocol' is an international treaty designed to protect the:
- Which of these is a major source of Methane in the atmosphere?
- What is the average weather condition of a place over a long period of time called?
- Which of these has the highest albedo?
- The Chernobyl disaster (1986) is associated with which type of pollution?