Everyday Science

Q461

A boy sitting in an open car moving with constant speed throws a ball straight up into the air. The ball falls _________?

Q463

What is known the cold and dense air blowing down from the mountain slope during the night__________?

Q465

A piece of metal becomes hot when it lies in the sun through:

Q466

The number of chromosomes present in a man, including the two (X&Y), which determine the sex of an organism are:

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