What is oxygen please tell me fast
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a colourless, odourless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air.❤❤
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A nonmetallic element that exists in its free form as a colorless, odorless gas and makes up about 21 percent of the Earth's atmosphere. ... Oxygen combines with most elements, is required for combustion, and is essential for life in most organisms.
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