The equation 2/1H + 1/1H → 3/2He +energy represents the fusion of two
atoms.

Which class of organic compounds makes up the channels and pumps that move materials from one side of the cell membrane to the other? a.) carbohydrates b.) lipids c.) proteins d.) nucleic acids

How does friction with the atmosphere affect the speed of an artificial satellite

Compare the composition of the moon's surface with the composition of the earth's surface.