Earth's water continuously moves through the atmosphere, into and out of the oceans, over the land surface, and underground. ... In addition, a very small portion of water vapor enters the atmosphere through sublimation, the process by which water changes directly from a solid (ice or snow) to a gas.
would be the answer to this question. Behavioral Adaptation means a specific object helps the host body. Which would be C. A cactus needs that water survive.
