What is the cause of 'Green house effect'?

A. Nitrogen

B. Carbon Dioxide

C. Carbon Monoxide

D. Nitrogen Dioxide

Answer: Option B

Solution(By Examveda Team)

Carbon Dioxide is the cause of 'Green house effect. As CO2 shows green house tendency i.e. it allows the solar light to reach earth but does not allow it to escape back into space & leads to global warming (Green house effect)through rise in temperature.