Answer:
A,C,D are the correct answers
Explanation:
Plasma membrane is a part of the cell made of a lipid bilayer and an embedded protein layer. It protects the cell from the surroundings and also controls the materials leaving or entering the cell. The membrane is semipermeable and therefore allows certain materials to enter or leave the cell. In this case, the plasma membrane may prevent unlimited flow of water into or out of the cell.
Answer:
No they surround the atom
Answer:
tire and balloons
Explanation:
the tire of an car contains gas pressure
the balloon also contains gas pressure because it contains gas molecules
