Answer:
There are two major ways that molecules can be moved across a membrane, and the distinction has to do with whether or not cell energy is used. Passive mechanisms like diffusion use no energy, while active transport requires energy to get done.
Explanation:
Fire, explosions, acid, fumes-take your pick here.
A. One that can be produced as fast as it’s used
Answer: 215
Explanation:
Volume doesn’t add up into ounces that’s mass only
