When the sun warms the air, the air expands, gets lighter, and rises.
(the sun; warms; the air) (the air; expands; T:When the sun warms the air) (the air; gets; lighter; T:When the sun warms the air) (the air; rises; )
the sun the air the air the air
warms expands gets rises
the air
T:When the sun warms the air
lighter T:When the sun warms the air