The cell membrane is semi-permeable, kind of like a filter to let some molecules in and keep larger molecules out
Answer: A. Minerals
Explanation:
(i’m sorry this is so late)
A compound is always a substance because it's made out of two or more atoms bonded together. Now a substance isn't always a compound because it takes two or more elements to create a compound in a chemical reaction, ans substances can contain only one element. In other words a substance can be constructed of one type of atom. Some substances that aren't compounds are: gold and baking soda.
They can explodeand kill the cell, thats why they are nicknamed "suicide bags"