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.
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Answer:
3 and 7
Explanation:
They have the same DNA genomes.
It would be commensalism- a symbiotic relationship where one organism benefits while the other remains unaffected.