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Subjects
Science CBSE
Class 6
Air around us
Textbook questions
33.
NCERT Exemplar XIII
Exercise condition:
2
m.
Make sentences using the given set of words.
99%, oxygen, nitrogen, air, together
air, oxygen and nitrogen comprises of 99%
oxygen and nitrogen are made up of 99% of air
99% of air is made up of oxygen and nitrogen
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