People live in hot dry climates often rely on? for their drinking water

7. according to the theory of isostasy, which statement must be true? a. the asthenosphere is denser than the lithosphere. b. the asthenosphere has the same density as the lithosphere. c. the lithosphere has the same density as the core. d. the lithosphere is denser than the asthenosphere.

5. what is a red giant? can our sun become a red giant? why or why not?

The creation of the trans-siberian railway allowed people to travel across russia. how could this railway impact russian culture?