Question

In order for convection to occur you must have
A.Either a gas or a solid for the heat to pass through
B.A solid for the heat to pass through
C.A liquid to carry the heat
D.Either a gas or a liquid to carry the heat

Answer 1

http://hyperphysics.phy-astr.gsu.edu/hbase/thermo/heatra.html#c3

After learning the general concepts of convection currents, you might know which one it is! If not, let us know what you think, and ask if you're confused.

:)

Answer 2

d