2. What does the atomic mass of a neutral atom tell you? A. The number of electrons in the atom.
OB. The number of protons in an atom.
C. The total number of protons and neutrons in an atom.
O D. The total number of protons and electrons in an atom.

What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.