Oxygen and hydrogen make up water
Nerves are cells that can detect any type of pressure, movement, or anything of that nature. If we didn't have nerves, we couldn't feel pain. If the nerves in a foot are damaged, you wouldn't feel the pain of it being burned.
It’s because plant cells have a cell wall and animal cells don’t
when replication mistakes are not corrected they may result in mutations which sometimes can have consequences
