Science, asked by agrawalvandanargh, 4 months ago

The percentage of nitrogen is
a. 21%

b. 78%

c. 12%

d. 87%

Answers

Answered by AMBHAI

2

Answer:

b). 78% !!!!!!!!!!!!!!

Answered by sandeep20042004

2

Answer:

78%

hope it helps

oxygen 21%

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