where is oxygen present ?
riyaqueenofworld8:
in air
in the atomosherpic layer
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The first two members of the family, oxygen and sulfur, are found in most ores. Oxygen is by far the most abundant element in the Earth's crust. Nearly half of all the atoms inthe earth are oxygen atoms. Oxygen also makes up about one-fifth of the Earth's atmosphere.
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oxygen present in atmosphere, water
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