It is dark because Barnardo has trouble seeing the other guard.
This scene takes place at midnight and it is so dark Barnardo cannot see the other guard. Barnardo shows up for his shift, but he can't clearly make out who Francisco is. Francisco has the same problem because instead of answering Barnardo he tells him to identify himself first. They get it figured out and Barnardo begins his shift.
I think it is light as to heat up something you need fire
Yes, this is a strong paraphrase. But if you want help, use QuillBot, it paraphrases quotes and texts.
Depends on what your teacher directed you to do. If she said correct then probably just the marks/ if she said correct and rewrite then that
