How does carbon dioxide increase the Earth’s temperature?

Carbon dioxide molecules provide the initial greenhouse heating needed to maintain water vapor concentrations. When carbon dioxide concentrations drop, Earth cools, some water vapor falls out of the atmosphere, and the greenhouse warming caused by water vapor drops.

Explanation:

you know they are heterozygous for a trait because they have it as jj or jj.

some inherited genetic mutations can be good for the offspring, so the answer is different genetic mutations cause many forms of cancer.