What is the difference between a greenhouse
and Earth's atmosphere?

A-A greenhouse uses fans to cool the air
Earth's atmosphere uses ozone to cool the
B-A greenhouse traps warm air inside: Earth's
atmosphere traps cool air inside
C-A greenhouse allows a lot of sunlight in to
help plants grow Earth's atmosphere does
not allow sunlight in

D-A greenhouse uses open windows to cool
down: Earth's atmosphere does not have an
opening to help coonlit down