The answer would be C, "The earth is heated by terrestrial radiation."
Terrestrial radiation is a factor in what heats up the earth and it's a major factor in the study of global warming.
I'm pretty sure it's recessive?
The appropriate answer for this one is C. Cancer cells divide uncontrollably and therefore the cell cycle would be continuously divide. To add, t<span>here is a term known as terminally differentiated cells. These cells that never enter the cell cycle again, meaning they stay in G0 and never divide. However, some cells can be triggered to depart G0 and re-enter G1, which permits them to divide again.</span>