Answer: Option B
Explanation: The thin layer that forms the outer covering of the cell is known as the cell membrane. It is composed of the lipid bilayer which as embedded proteins.
This membrane is selectively permeable which means it allows only specific molecules to pass through them.
The main function of cell membrane is to protect the cell from the outer environment and by the invasion of harmful bacteria and viruses.
It has11 protons and neutrons atomic number=11 mass=22
A. eruption is the type<span> of mass movement that occurs when a thin block of soil, rock, and debris seperates from the underlying bedrock </span>
Answer:
The skin on a persons body
The back bone is the correct answer