. An experiment was performed to determine the health effects of different amounts of second-hand smoke on one-year old hamsters. Independent Variable:

Dependent Variable:

Constants:

i think its 5049.

i hope this !

answer seismograph;

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.