What feature makes the Mexican Plateau significant? A. It is home to most of Mexico's major cities.
B. It is the most sparsely populated area of Mexico.
C. It has the longest coastline in Mexico.
D. It is the most arid region of Mexico.

A.

Explanation:

The Central Plateau (also known as the Mexican Plateau) is Mexico's most extensive geographical feature. It contains most of its population and many of its important cities, and accounts for the largest share of its agricultural production, industry, and mineral wealth.The Central Mexican Plateau, also known as the Mexican Altiplano, is a large arid-to-semiarid plateau that occupies much of northern and central Mexico.

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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explanation:

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