For each of theequation four choices have been provided. select the co – InterviewSolution

1.	For each of theequation four choices have been provided. select the correct alternative In case of an incense stick or an agarbatti the smoke at the lighted end of stick moves in upward direction it is because
Answer» the COOL air below the lighted end MOVES to take the PLACE of hot air above the lighted end the air at the hot ends is more dense it is NATURAL for the SMOKE to move up the smoke is repelled by the gravity of earth Answer :a

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