Question

what is the meaning of this sentence​

Answer 1

Answer:

जब हवा गर्म होती है तो यह फैल जाती है और हल्की हो जाती है और ऊपर चली जाती है।

ठंडी हवा घनी और भारी होती है।

Answer 2

Answer :

Explanation:

Heating of air becomes air hot.The heated air is lighter than the colder air.Cold air has no gaps in between and it is heavier.Cold air is heavy, so it sinks (means falls down) to down. When hot air raises(b'cuz it is lighter) the remaining down place is surrounded by the cold air.

I hop U understand's it.