They decided to flee from the accident . Is the correct one !
Epistolary-which is the literary work in the form of letters.
Did you try looking it up on the internet?
Answer:
The mantle is approximatly 2,900 km thick and it can get to be extreemly hot!
Explanation:
The phrase <em>the antique fire truck </em>is used as a complete subject, because you are including all of these words to form a subject, so it cannot be a simple one (just one word). It isn't a compound subject either, because that would be two or more words connected with a conjunction <em>and, </em>or some other one.