Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYEnvironmental Issues1 Mark
MCQ
Environment is warmed up by:
A
Water vapour
B
Methane
C
$\mathrm{CO}_2$
✓
All of the above
✓
Answer
Correct option: D.
All of the above
The greenhouse effect is caused by the greenhouse gases. The gases methane, carbon dioxide, and water vapour trap the solar radiations which need to be reflected back to the atmosphere and increase the temperature of the earth.
The greenhouse is considered as the direct cause of global warming.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.