kayceecharleston kayceecharleston
  • 03-02-2020
  • Biology
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Airplanes reach cruising altitudes at the lower part of the Earth's stratosphere. This portion of the atmosphere is made up mostly of _____ and _____.


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s40090916 s40090916
  • 11-02-2020

Answer:1.nitrogen

2.oxygen

Explanation:hope it helps!

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isabelladancer18
isabelladancer18 isabelladancer18
  • 10-03-2020

Answer: nitrogen, oxygen

Explanation:

i just got this question on Study Island

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