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Mukund Wosti
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Sagar Thapa
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What is pedigree analysis? Suggest how such an analysis, can be useful.
Mukund Wosti
Learner
Speed of sound is more if density of medium is less. Sound travels faster in water than in air though the density of air is less. Why?
Mukund Wosti
Learner
One can hear people talking in next room but can’t see them. Why?
Wave motion