Answer:
Some examples of reptiles are lizards, snakes, crocodiles, and turtles.
Explanation:
A topic is the main idea of a writing. In this case, the topic of the essay is Yellowstone National Park because the essay talks about the national park itself.
3rd person, because if it was first, you would be personally viewing it as a part of you, like your in it, then its not second person because that's using 'you' and again, you aren't apart of it ,so its 'they, them' which is 3rd person.<span />