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Hitman42 [59]
3 years ago
6

Which sphere is NOT a part of the cycling of oxygen through Earths systems ?

Physics
1 answer:
stepan [7]3 years ago
5 0
The answer would be Exosphere because, there are 3 main regions that circulate oxygen through the Earths system, which are the Biosphere, Atmosphere, and the Lithosphere. 
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This question is dealing with bearings and distance.

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Read more at; brainly.com/question/22518031

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