Answer:
(you have to copy and paste into the browser and I had to space out so brainly would let me post I hope you do well on the assignment)
Explanation:
h t t p s : / / w w w . y o u t u b e . c o m / w a t c h ? v = d Q w 4 w 9 W g X c Q
The variable is the group that was given caffine, because thats what the doctors manipulated. They possibly altered the natural memory of the participants by giving them caffine. A more specific variable could be how much caffine each participant is given and what time are they given it.
Answer:
"Other cases cited by the Court do not, as implied, follow the
McReynolds reasonableness doctrine. West Virginia v. Barnette,
319 U.S. 624, clearly rejecting the 'reasonableness' test, held that
the Fourteenth Amendment made the First applicable to the
States. - C.
<span>Across nearly seven million years, the human brain has tripled in size, with most of this growth occurring in the past two million years.</span>
