Science, asked by zaheerzaid3, 3 months ago

16. The two gases which, taken together, make up about 99 per cent of air are :
A. Nitrogen
B. Carbon dioxide
C. Ozone
D. oxygen

(a) A and B
(b) A and C
(c) B and D
(d) A and D

Answers

Answered by RiyaBehal

2

Answer:

OPTION D

Nitrogen and oxygen

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