<span>1. Blocks Ultra violet rays that can be harmful.
2. Provides Oxygen, so we can live.
3. It blocks meteors from hitting Earth's surface.
</span><span>
</span>
G about the answer if I don’t do this I Will fail!!!!!! NO LINKS NO LYING
Lol i need to answer more and plus n could also = # 4.65
I'd say b, but i'm not 100 percent sure.<span />
