Answer:
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1) N₂ (gas) ; that is, nitrogen (gas) ; (about 78%);
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and:
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2) O₂ (gas) ; that is, oxygen (gas); (about 21%);
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followed by argon, carbon dioxide, and others.
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Answer:
I don't no the answer sorry
We affect our planet's health in many ways.
One way is by transportation, some ways of transportation may not hurt the planet, while other are very harmful.
Another way is by pollution. When you throw trash on the ground, of smoke, you are pollution, harming the earth.
~CoCo
