Which of these Earth systems is most responsible for the increases in global warming?

Hi !

Here is your answer !

One of the first things the IPCC concluded is that there are several greenhouse gases responsible for warming, and humans emit them in a variety of ways. Most come from the combustion of fossil fuels in cars, buildings, factories, and power plants. The gas responsible for the most warming is carbon dioxide, or CO2.

Explanation:

The gas responsible for the most warming is carbon dioxide, or CO2.

Thank You !

Earth

Explanation:

Because we dont take care of it as much