When continents move apart, rifting occurs which produces cracks and new rock formations. Accretion occurs when faults strike each other forming layers of earth to stack on top of another. This creates mountains, hills and other land formations.
Kytos actually means cell
B because cactus' are usually in a dry environment, they close their stomata during the day to keep water vapor from leaving the plant. Instead they do their processes at night to avoid extreme water loss.
D Pastureland - Grazing Livestock
