The cell membrane is said to be selectively permeable is because it allows a select few things to go through while stopping the passage of other stuff.
Darwin's theory of Natural Selection
Answer:
Yes, vaccination should be mandatory because without it all of us would slowly died from not having a cure. According to research people, they said; "vaccination will helps you to stay healthy. It also are important to your overall health such as diet and exercise."
Explanation:
A. osmosis because no energy is needed to carry it out
