MCQ
The major causes of air pollution include
  • burning of coal and petroleum
  • B
    afforestation
  • C
    deforestation
  • D
    recycling of paper

Answer

Correct option: A.
burning of coal and petroleum

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free