Large social and economic changes followed from the domestication of plants and animals and the gradually increasing efficiency of food production. what do scholars call this type of revolution?

Agricultural revolution

Explanation:

Agricultural revolution refers to the technological improvement and enhancement of social and economic aspects through adaptation of new technology. This technological change is focused on increasing crop productivity which results in increased efficiency of food production. This advancement has mainly resulted from domestication of plants and animals. Today, agricultural revolution or advancement contributes greatly to the economy of various countries and is considered an important part of the economic system.

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.