it is a part of the air that surrounds us. it is used by the body to continue life. it also effects on different materials?
*choices*
a.carbon
b.helium
c.nitrogen
d.oxygen
*choices*
a.carbon
b.helium
c.nitrogen
d.oxygen
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Answer:
Oxygen
Explanation:
Oxygen is a colourless, odourless, tasteless gas essential to living organisms, being taken up by animals, which convert it to carbon dioxide; plants, in turn, utilize carbon dioxide as a source of carbon and return the oxygen to the atmosphere