Answered

Which substance is a greenhouse gas that is emitted by human activities and stays in the air the longest?

A. Water vapor
B. Methane
C. Fluorinated gas
D. Carbon dioxide



Answer :

Final answer:

Carbon dioxide (CO2) is the greenhouse gas emitted by human activities that remains the longest in the atmosphere.


Explanation:

Carbon dioxide (CO2) is the greenhouse gas emitted by human activities that remains the longest in the atmosphere. While water vapor is the most abundant greenhouse gas, its concentration is primarily controlled by natural processes.


Learn more about Greenhouse gases here:

https://brainly.com/question/42997163