Answer:
Magnesium, Carbon and Oxygen.
Explanation:
Answer:
c
the cycling of water in and out of the atmosphere
I believe the answer is melting point :/
Answer:
Option D - 10,000 years ago in the Middle East
Answer:
form the Octet Rule
Remember that the Octet Rule allows all atoms to get 8 valance electrons either by gaining or losing electrons (except for Hydrogen and Helium because of the Duet Rule who allows to get no more that 2 valance electrons)