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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.

The volume of the triangular prom is 54 cubic units

Irelanda. populationb. square mileagec. average population density per square mile