Four students were asked to name the parts of an atom that determined that atoms identity and chemical properties. which student is correct: 1:Neutrons, Electric Cloud
2.Protons, Valance Electrons
3.Valance electrons, Protons
4.Electron cloud, Neutrons ​

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.