Qus 7. Who organized the Dalits into the Depressed Classes Association in 1930?

Dr. B.R. Ambedkar

Explanation:

Dr. B.R. Ambedkar organised the dalits into the Depressed Classes Association in 1930. He demanded separate electorates for the dalits in the Second Round table Conference.

c. taught scientists many new things about the earth, but not other planets.

explanation:

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.