MCQ
Carbon dioxide is released into the atmosphere through
  • A
    burning of fossil fuels
  • B
    volcanic activity
  • C
    respiration
  • all of these

Answer

Correct option: D.
all of these
all of these

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