UPSC CSE Prelims 2019 Q35 — Environment & Ecology PYQ

2019Q35·Environment & Ecology·Pollution & Waste Management

Consider the following:

1. Carbon monoxide

2. Methane

3. Ozone

4. Sulphur dioxide

Which of the above are released into atmosphere due to the burning of crop/biomass residue?

UPSC CSE Prelims 2019 Q35 — Environment & Ecology PYQ with Answer

UPSC CSE Prelims 2019 Q35 — Environment & Ecology PYQ with Answer