100 mL of 40% w/v)
polyethylene glycol
(PEG) 8000 can be prepare

c- cold periods in earth's history during which glaciers covered much of the surface.

explanation:

just did the assignment and the answer was #1 +2 n

c) should be the answer.

the correct answer would be b. amelia, because the particals of gas move really fast (charged particals) and gas also has a lot of room (particals move independently) so the only answer that has both of those is amelia's.