Question

Which is a type of heat transfer that causes the air at the top floor of a building to be hotter than the air at the bottom floor of a building?

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conduction
convection
radiation
reflection​

Answer 1

B is correct give the credict to the person above me

Step-by-step explanation:

have a nice day or night ;)

Answer 2

I belive it is Convection

Step-by-step explanation:

It is the movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder, denser material to sink under the influence of gravity, which consequently results in transfer of heat.