Question

Which of the following greenhouse gases is not emitted from landfill sites?

• A. Ozone
• B. Nitrous oxide
• C. Methane
• D. Water vapour

Hint:

Methane from landfills is a potent greenhouse gas, contributing significantly to global warming.

Answer 1

The Correct Option is A

1. Landfill sites emit methane, nitrous oxide, and water vapour due to decomposition of organic waste.
2. Ozone is not emitted directly; it forms in the atmosphere through photochemical reactions.