<span>A full valence electron shell.</span>
Its the answer b, because oil has a great density, therefore, when you mix them together the oil will be below and the above of it.
Answer: Atom/element
Explanation: Since matter cannot be created or destroyed, the number of atoms has to be equal on both sides of the equation.
An expert in or student of the branch of science concerning the chemical composition of the earth and its rocks and minerals.
