What was one clue that the Iceman
was from Neolithic Age?
A cave drawings
B. the wear of his teeth

his copper ax.

Explanation:

Neolithic period is known to the period in which the human beings passed from the stone period to the copper period; They started manufacturing tools made of this material for agriculture and hunting, and they started a sedentary lifestyle.

A man discovered in the Andes named Ötzi is known as Ice Man. It was calculated that it is more than 5000 years old and belongs to the late Neolithic period. The clues that the scientists had were the tools he was carrying at the time of his death; a copper ax, a knife, and various arrows.

I hope this information can help you.

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.

a is the final ! : )