2. How long does it take for Earth to rotate once on its axis? A. 1 day B. 1 year C. 1 week D. 1 month
3. Which best explains why Earth has day and night? A. Earth rotates on an axis C. Earth revolves around the Sun D. Earth revolves around the Sun B. The moon rotates on an axis
4. The Earth is tilted degrees from the right-angled position,
D.24 A. 21 % B.22% C. 23½
5. In a leap year, February has how many days?
A. 27 B. 28 C. 29 D.30​