One thing people in the United States could do to reduce air pollution is a. drive their cars more.
b. bum more fossil fuels.
use more public transportation.
d. build more factories.

b. the carbon cycle ensures living things have a source of hydrogen

the cells uses some of the atoms of the glucose molecules to atp molecules. the atoms of the glucose molecules will then be converted into energy which will be eventually stored in atp. the energy produced which are stored in atp are coming from the glucose’s chemical bonds.

true is the

the answer is true when observing or determining population size, a direct observation is use, in which each organism is counted in a population or in an area. one benefit of this measure is that you get the exact population count but it will take a long time to  determine  the  size  of a  population.