Answer:
the fight
Explanation:
"The fight" is the main noun of the sentence and the pronoun "it" was used refer to the noun. Also, it's the last (and only) noun mentioned before the pronoun.
Answer:
"is" should be are
Explanation:
"the trails" is plural so you have to use "are" rather than is.
Guests can visit the launch center, countdown clock, and a mission control center
