Why did crowds tear down the wall after the gates were opened? a) neither government wanted responsibility for maintaining it. b) the wall was a symbol that people wanted to destroy. c) the gates were too small to let everyone pass through.

The wall was a symbol that people wanted to destroy.

Explanation:

The wall was a symbol that people wanted to destroy.

the next answer is

Many East Germans wanted to leave East Germany at any cost.

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.

answer; i believe the correct answer is prefrontal cortex;