The isthmus of tehuantepec separates the gulf of mexico and the blank

Why is the future for life on earth bleak?

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.

Bottle deposit programs are one way to encourage higher recycling rates. explain how they work