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Aarya Parmar from DPS, Pune
Subject :NSO    Class : Class 1

Which of the following activities can be done in the presence of moving air only?

ABreathing
BFlying parachute
CCycling
DBoth A and B


why not answer D? without moving air how one can get oxygen?

Ans 1:

shreya saini from mvn sector 17, Faridabad
Class : Class 3

Ans 2:

Aarya Parmar from DPS, Pune
Class : Class 1

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