If im understanding your question yes it is.
When a comet is close to the sun, the force from the sun's radiation pushing against the comet making a dust and/or gas tail. The comet being close to the sun also forms the coma of a comet due to it's radiation. The only thing that doesn't exist while being close to the sun is the nucleus. In conclusion, When a long period comet is farthest from the sun in its orbit, C. the Nucleus exist.
Hope this helped!
I believe that present day was a theory that became a evolution developed because it was a historical event involved
A. This is one of the only ways the bones are actually formed because it’s a feet away and so the cartilage and stuff gets formed first before the actual bone and ossification occurs that’s like last saw and I can explain each one if you’d like I just wanted to put it in correct order for you I hope it helps
G
C
D
E
F
B.