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Chapter 1: Air & Atmosphere - Science Mcqs for Grade 6
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Chapter 1: Air & Atmosphere - Science Mcqs for Grade 6
>> The percentage composition of nitrogen in air is
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Q. The percentage composition of nitrogen in air is
a.
58%
b.
68%
c.
78%
d.
88%
ANSWER: 78%
Answer & Explanation
No explanation is available for this question!
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