An experiment must be controlled in order for a scientist to. predict the outcome interpret results accurately ignore findings that do not fit his or her ideas rely on his or her personal feelings

the answer to your question is a. the salt plains

in 1811, he led an expedition, known as the george c. sibley expedition, to improve relations with the pawnee and kansa tribes, and also to locate the rumored jefferson's salt mountain

d. hip hop

it was originated in the 70s while the harlem renaissance occured in the 1920s

2. a land bridge connected asia and north america thousands of years ago.

4. crossing the land bridge would have been simple for the first migrants.

5. people might have crossed a land bridge while hunting animals.

6 units. ab and lo are congruent sides, and if ab= 6 units, then lo would be the same.