The stage where atoms are spread out and bouncy is the gas stage.
Answer:

Explanation:
Since the hoop is rolling on the floor so its total kinetic energy is given as

now for pure rolling condition we will have

also we have

now we will have


now by work energy theorem we can say



now solve for final speed

the answer is B 4-6 months thats when they can pick up large objects.
Ill give you 7-12. 7.f 8.e 9. b 10.c 11.d 12. a