2. Why do we have day and night?
A. Because the earth revolves around the sun.
B. Because the earth rotates on its axis.
C. Because the earth tilts on its axis.
D. Options A and C

3. As the globe rotates, only half of it receives light so this side is bright Places on this area
experiences what time of the day?
A. daytime B. night time C. dawn D. midnight