Answer:# 1 is salt #2 is fresh #3 fresh #4 salty
Explanation:
A ruler will not be needed due to having a graduated cylinder which can help measure the volume of liquids
Both answers C and D are correct, however, answer D makes more sense.
<span>Active transport works to conserve homeostasis. When cells are doing something they typically receive a signal causing channels to open, which in turn lets in a flood of molecules down their chemical gradients. Hope this answers the question.</span>
im not to sure, but i think its 21.95
hope this helps! :)
