Answer: B Sputnik
Explanation: I hope this helps you
Explanation:
Cell membranes are selectively permeable. Some solutes cross the membrane freely, some cross with assistance, and others do not cross at all. A few lipophilic substances move freely across the cell membrane by passive diffusion. ... Large molecules do not cross intact cell membranes, except in certain special cases.
-0.5m/s^2
Explanation:
the answer is negative this only show direction that is acceleration is a vector quantity
They release carbon dioxide into the atmosphere which in effect create green house gasses