Answer:
1) Every planet's orbit is an ellipse with the sun at a focus.
2) A line joining the sun and a planet sweeps out equal areas in equal time(s)
3) The square of a planet's orbital period is proportional to the cube of semi major axis of it's orbit
1. A
2. C
3. D
4.B
5. A,B, and maybe C.
6. B
7. D
8. A and B
9. A,
ik been boter ham man en appel en melk ;-$
Explanation:
That is true.
Hope this helps
