Question

How are convection currents produced in the air?

A.
Movement of animals and other objects on the surface stirs up the air.
B.
Warm air is less dense, so it rises. Cold air moves in to take its place.
C.
Cold air is less dense, so it rises. As the cold air rises, warm air descends.
D.
Big weather events like hurricanes and tornadoes cause convection currents

Answer 1

[AI-generated answer — Bot GPT 3.5]

B. Warm air is less dense, so it rises. Cold air moves in to take its place.