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yawa3891 [41]
3 years ago
10

Select all of the answers that apply. what are the two main ingredients in air? oxygen carbon dioxide nitrogen helium hydrogen

Chemistry
2 answers:
RSB [31]3 years ago
8 0
Carbon dioxide and nitrogen
rjkz [21]3 years ago
3 0
Two main ingredients of air: Oxygen(21%) and Nitrogen(78%)
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