Clouds form when air is? A)swirled by wind
B)heated by the sun
C)turned into ozone
D)transpired by plants

Sam hated the long nights of winter! his mother called him in from playing so early: around 4: 30 pm! it is usually dark out when sam is eating supper. what letter represents the long nights where sam lives? a) a. b) b. c) c. d) d.