From what i know My G <span>Earth's atmosphere is </span>78%<span> nitrogen, </span>21%<span> oxygen, </span>0.9%<span> argon, and </span>0.03%<span> carbon dioxide with very small percentages of other elements</span>
<span>Reinforcement is the answer.
Hope this helps !
Photon</span>
Answer:
Louisiana Purchase
Explanation:
10 million dollar purchase which is the most of those options
