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Physics, 23.09.2019 10:20, truesarah111
What are the two most important processes in the cycling of oxygen in and out of the atmosphere?
a. weathering and erosion
b. evaporation and precipitation
c. photosynthesis and respiration
d. lightning fixation and fossil fuel emission
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Answers: 1
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What are the two most important processes in the cycling of oxygen in and out of the atmosphere?
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