Environmentaleasy · Past Paper
Which gas has the highest concentration in the atmosphere after Nitrogen and Oxygen?
ACarbon dioxide
BArgon
CMethane
DNeon
✓ Correct Answer: B — Argon
Argon is the third most abundant gas in the atmosphere, making up nearly 0.93% of dry air.
Share this question
More from Environmental
- The destruction of the ozone layer is most intense over which region?
- Which chemical is used as a 'fire suppressant' but contributes to ozone depletion?
- Which of the following is a primary source of indoor air pollution?
- Which of the following is NOT a greenhouse gas?
- Which of the following pollutants is known to cause 'Global Dimming'?