Answer Posted / ashokkumar.a
the air contain many layers. the oxygen having more density
than carbon-di-oxide, hydrogen, nitrogen, etc., so when we
lighting the fire it produces carbon-di-oxide, as mentioned
above this is weight less than oxygen, so it tends to go
above the oxygen layer., thatswhy it goes in upward
direction...
| Is This Answer Correct ? | 4 Yes | 5 No |
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