heavier than cold air hence warm air moves down

heavier than cold air hence warm air rises up

lighter than cold air hence warm air moves down

lighter than cold air hence warm air rises up

Warm air is ______. – McqOptions

1.	Warm air is ______.
A.	heavier than cold air hence warm air rises up
B.	lighter than cold air hence warm air moves down
C.	lighter than cold air hence warm air rises up
D.	heavier than cold air hence warm air moves down
Answer» D. heavier than cold air hence warm air moves down

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