Why do gamma rays have no charge? they are not made of protons, neutrons, or electrons they have equal numbers of protons and neutrons charge is balanced out by their intense frequency they are constantly emitting all their protons and electrons

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.