Question

D? During a house fire, the air that contains the smoke rises to the ceiling. Why is the air by the floor cooler and less smoky?
Group of answer choices

because conduction causes the cooler, more dense air to sink to the floor

because radiation causes the cooler, more dense air to sink to the floor

because convection causes the cooler, more dense air to rise to the ceiling.

because convection causes the cooler, more dense air to sink to the floor

Answer 1

Convection lets fluids circulate in media in a cyclical formal wherein cooler and denser particulate matter sink and lighter warmer rise.

Answer 2

format*

Answer 3

its D. hot air rises and is less dense than cold air.

Answer 4

d is what I was thinking too

Answer 5

i agree with eddie and justjm

Answer 6

thanks guys