Why did multiplication and division become easier during the gupta empire? a. they were the first to use base-10 numbers. b. they were the first to understand long division. c. they created a numeral for zero. d. they combined chinese and greek knowledge. i can't tell if its a or d

I believe the anwser is a

the answer would be A i believe so.

the minoans were group of people living in the greek islands of crete in the mediterranean sea during the bronze age

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.