1. D
2. B
3. C
4. C
5. 5 hours later
6. Yes
7. Leap Day
8. C
9. A
10. 32,768
11. 11:50 AM
12. 3.1709X10^6 years
13. 1673.43 kph or 1037.5 mph Westward
14. 20 seconds
15. 12:45:14.2857
16. 3.858 meters on earth
17. 8 minutes 19.9 seconds
18. 288 teeth
19. __(b)__True solar time
. . __(c)__Sidreal time
. . __(d)__Sun dial
. . __(a)__Atomic time
. . __(e)__Mean solar time
20. 4=Seasons in a Year
. . 24=Hours in a Day
. . 366=Days in a Leap Year
. . 29.5=Days in a Linar Cycle
. . 52=Fridays in a Year
21. C
22. 43.5889 years