What is oxygen?????!!!!!
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Explanation:
a colourless, odourless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air.
"if breathing stops, there is no oxygen getting to the brain and the cells begin to die"
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Oxygen is a colourless, odourless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air.
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