Answer:
They can learn about their habitats, their behaviors, how to properly handle them in case of attack, etc.
Answer: D. sentence 2
Sentence 2 is a sentence fragment because it is not at least a independent clause.
It might have the reader's topic of choice and/or interest
C.
Some people say that it's official, however there are more nicknames for New York City such as, "The Capital of the World", "The City that Never Sleeps", and "Gotham".