Which of the following is correct when convection occurs in the atmosphere?
A.
Cool air rises and warm air sinks.
B.
Cool air sinks and warm air rises.
C.
Cool and warm air sink.
D.
Cool and warm air rise.
A.
Cool air rises and warm air sinks.
B.
Cool air sinks and warm air rises.
C.
Cool and warm air sink.
D.
Cool and warm air rise.