Answer:
Long-period comets have orbital periods longer than 200 years. ... Since it is the sublimation of these volatiles from the nucleus of the comet as it nears the Sun that gives rise to the coma and highly-visible tails, long-period comets have more material with which to put on a show.
Explanation:
Answer:
I think That All the atoms of a given element are identical in that they have the same number of protons
Explanation:
Yes, you can chemically change or alter DNA