What is a convection current?(1 point)

Responses

Warm and cool air both sink.
Warm and cool air both sink.

Warm air rises, cool air sinks.
Warm air rises, cool air sinks.

Warm air sinks, cool air rises.
Warm air sinks, cool air rises.

Warm and cool air mixes.
Warm and cool air mixes.

Warm air rises, cool air sinks.