What happens when air absorbs more water vapor? A.) the air becomes heavier

B.) the air becomes lighter

C.) the air becomes warmer

D.) the air becomes cooler

Are the earth's ocean floor and continents the same age geologically? why or why not?

What characteristic make legumes a good food source for food insecure populations

Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?