Where is the eath’s crust positioned?

A)

on top of the mantle

B)

below the outer cone

C)

between the mantle and the outer cone

D)

between the inner core and the outer core

The answer is A.

Explanation:

The crust of the earth is the top layer above the mantle.

answer:

d. because dr. laguardia selected a widely used measure, his study generalizes to has strong external validity. external validity has limited external validity. other applications of this measure.

the widely used measure that he applied to his experiment was the benton facial recognition test. it employed on to football players and as result, only players who suffered brain concussions did not pas this test. and although it has an external validity, it is limited because it isn't general to apply to other population.

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