Answer:
There are two types of cell membranes. Either open or closed. Open is when other particles can get in or out. Closed is the opposite.
I hope that helps!
Answer:
D. a clown jumping out should be correct.
Explanation:
that should be correct if not let me know so i can help:)
Cell membraine i hope that help
Tentative means possible
So a possible explanation of any matter on whuch you are working will be called astentative explanation which may be correct or incorrect