The composition of the mantle is primarily ____

A)peridotite
B)basalt
C)granite
D)iron
E)gabbro

A

Environmental & Atmospheric Sciences

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Who developed the gravitational model of tides known as the equilibrium theory?

A) Laplace B) Newton C) Einstein D) Cook

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The greatest potential for earthquake damage in the near future for the continental United States is in ____

a. ?St. Louis, MO b. ?Seattle, WA c. ?Los Angeles, CA d. ?Boulder, CO e. ?Portland, OR

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The main factor responsible for desertification is ________

Fill in the blank(s) with correct word

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For which of the following reactions is it important that the species collide with the correct orientation?

A) 2 H2 (g) + O2 (g) ? 2 H2O(l) B) HCl(g) + H2O(l) ? H2O+(aq) + Cl-(aq) C) both of them D) neither of them

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