Question

which greenhouse gas has an average lifetime in the atmosphere of a few weeks to thousands of years and is the largest contributor to climate change?
carbon dioxide
methane
nitrous oxide
fluorinated gas

Explanation:

Carbon dioxide has an average lifetime in the atmosphere ranging from a few weeks to thousands of years and is the largest contributor to climate - change due to its high concentration and long - term presence resulting from human activities like burning fossil fuels.

Answer:

A. carbon dioxide