Answer:
A. Semi Permeable.
Explanation:
Cell membranes are semi permeable.
Does the element have a different amount of electrons than protons?
(4) C-14 Carbon is found in all living organisms.
They both have 1 electron in their valence shell.....
First, you mix the salt and sand with water, so the salt dissolves. Next, you filter the sand out, so you have the slat water and sand separated. Then, you evaporate the water, leaving the salt behind.
