Which Gas is Increasing the Most in the Atmosphere,thereby Intensifying

Question

Which gas is increasing the most in the atmosphere,thereby intensifying the greenhouse effect?  
A) Carbon dioxide
B) Carbon monoxide
C) Ozone
D) Nitrogen
E) Oxygen

Accepted Answer

Carbon dioxide (CO2) is the most significant greenhouse gas responsible for intensifying the greenhouse effect. It is released by human activities, mainly the burning of fossil fuels, industrial processes, and deforestation. The concentration of CO2 in the atmosphere has increased by more than 40% since the pre-industrial era, causing global temperatures to rise and contributing to climate change.