Answer: RACE
Explanation:
That is the variable factor here is the RACE of the men in the study.
Answer:
Adaption to the land and its resources
Explanation:
migrants and their descendants pushed south and east, adapting as they went.
Answer:
To separate salt, sawdust, and iron, use a magnet to separate the iron. Then, add water to dissolve the salt and float the sawdust. Skim off, sieve, or filter the solution to separate the sawdust.
African american have bmr that are about 10 percent lower then that of caucasians true or false True