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The ozone layer is in the upper portion of this part of the earth's atmosphere.

A) ionosphere
B) mesosphere
C) stratosphere
D) troposphere

User Shriakhilc
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2 Answers

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It is D but it won’t let me type it in
User Ohad Navon
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Answer: It’s C) Startosphere

Step-by-step explanation:

User Voskart
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