Carbon dioxide is the most abundant greenhouse gas the most potent (per molecule gas. of the greenhouse gases the only greenhouse gas presently decreasing in the atmosphere the main anthropogenic greenhouse gas produced in the united states the only greenhouse gas presently increasing in the atmosphere

the main anthropogenic greenhouse gas produced in the united states.

Anthropogenic means that the man is the responsible for its generation.

Fuel consumption for vehicles, factories and houses generates huge amounts of CO2.

Let's review the other options:

a. the most abundant greenhouse gas

FALSE: The most abundant greenhouse gas is water vapor.

b. the most potent (per molecule) gas. of the greenhouse gases

Methane is considered more potent than CO2 as heat-trapping.

c. the only greenhouse gas presently decreasing in the atmosphere

CO2 has not decreased but increased.

d. the main anthropogenic greenhouse gas produced in the united states

TRUE as stated initially

e. the only greenhouse gas presently increasing in the atmosphere

FALSE: Methane (CH4) is also increasing.

The atomic nucleus made up from protons (yellow) and neutrons (blue) and held together by nuclear forces. nuclear forces (also known as nuclear interactions or strong forces) are the forces that act between two or more nucleons. they bind protons and neutrons (“nucleons”) into atomic

The correct answer is "false"