(f)Air is primary made of Hydrogen true are false
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0
ANSWER :
TRUE
I AM NOT SURE
Answered by
0
Answer:
true
Explanation:
It's a mixture of different gases. The air in Earth's atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen. Air also has small amounts of lots of other gases, too, such as carbon dioxide, neon, and hydrogen
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