A marine regression is characterized by ____

a. rocks that get younger in the direction of land
b. igneous intrusions caused by seafloor spreading
c. rocks that get younger in a seaward direction
d. the presence of one facies
e. the deposition of a single rock type


c

Environmental & Atmospheric Sciences

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The surface of the Earth can be divided into land (30%) and ocean (70%). The deepest point on the ocean floor is the Challenger Deep, and the highest point on land is Mt. Everest.

a. true b. false

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Which of the above substances would have the lowest boiling point?

A. a B. b C. c D. All boil at the same temperature. E. All are gases.

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Economic leakage results from

A. the flow of profits from tourist facilities to foreign owners B. underground water channels C. poorly repaired irrigation ditches D. bad plumbing

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From the perspective of the strands being synthesized, which of the following is true?

A) They are both synthesized in the 3' ? 5' direction. B) They are both synthesized in the 5' ? 3' direction. C) The leading strand is synthesized in the 3' ? 5' direction and the lagging strand is synthesized in the 5' ? 3' direction. D) The leading strand is synthesized in the 5' ? 3' direction and the lagging strand is seemingly synthesized in the 3' ? 5' direction.

Environmental & Atmospheric Sciences