Which is a major mineral that makes up sand?

a. dolomite
b. obsidian
c. calcite
d. quartz

What causes temperature extremes in the desert

Which of the following is a true statement? a. individuals evolve to have adaptations. b. individuals have adaptations that can change over time. c. individuals have traits that may or may not make them successful at reproduction. d. populations cant evolve, only individual organisms.

The image below shows a weather service map. which details best describe this map? check all that apply