Answer:
2H2O2-----2H2O+O2
Explanation:
This is because theres the same number of atoms of each element on both sides
<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.
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Answer:
Explanation:
oxygen is a 15 and nitrogen science chemistry i'm guessing
A fact can be disapproved with further evidence different details. So basically evidence can change a fact!! Hope this helps