Explain the effect carbon has on climate​

Hello, Carbon dioxide causes about 20 percent of Earth's greenhouse effect; water vapor accounts for about 50 percent; and clouds account for 25 percent. ... Likewise, when carbon dioxide concentrations rise, air temperatures go up, and more water vapor evaporates into the atmosphere—which then amplifies greenhouse heating

Explanation:

Carbon dioxide is a greenhouse gas: a gas that absorbs and radiates heat. ... But increases in greenhouse gases have tipped the Earth's energy budget out of balance, trapping additional heat and raising Earth's average temperature. Carbon dioxide is the most important of Earth's long-lived greenhouse gases.

Ithink it is the outer core? which would be c? i’m not sure. : )