Halley's Comet does not have the size or mass to affect Neptune's orbit at all. perhaps a collision with a small planet would mess up Neptune's orbit but not Halley's comet
Answer:
The answer is yourself
Explanation:
Your selfs is not proper english
B- has
2. A- has / ate / hasn’t
3. Had / seen
4. Had / forgotten
5. Haven’t / studied
6. Had / lived
7. Fell / asleep
8. hadn’t / thought
9. Hadn’t / brought
10. Had / owned
11. Had / turned
12. Had / ordered
Um what...? Do u need help