Is the united states a country?
what does it mean by a state? e. g: florida, massachusetts

Yes, the United States is a country. Yes, by states it means the 50 states that make up the United States. Florida, California, and Hawaii are all examples of states.

List the sentences. keep in mind when you use sarcasm you are saying one thing in a tone to make it clear you are joking. like for instance, pretend you get a math test from your teacher. you’d most likely say, “oh yay.. a math test.” but you’d have the tone to give it the “oh come on” feeling. does this at all?

C. naturally in the environment