N2 + 3h2 2nh3 how many molecules of h2 are represented in the reaction? how many nitrogen atoms are represented in the reactants? how many moles of nh3 are formed?

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.