Question

_______ is a green house gas which causes climate change and global warming.
i) hydrogen ii) oxygen iii) nitrogen iv) carbondioxide

Answer 1

Carbon dioxide is a green house gas which causes climate change and global warming.

This gas enters the atmosphere through burning fossil fuels such as coal, natural gas, etc, solid waste, trees and wood products, and as a result of certain chemical reactions.

Carbon dioxide is removed from the atmosphere during the process of biological carbon cycle when it is absorbed by plants as part of the.