Active voice is when the subject performs the action(s) stated by the verb; whereas, passive voice is when the subject is acted upon by the verb. In this case, option C, is the correct one.
The fireworks are the subject of the sentence and they "light the night sky", resulting in active voice.
Answer: c) He feels that he and Hillary were equals and that they could not have climbed Everest without each other's help.
In the excerpt, the author argues that Hillary is a fine man and his friend, and he is not offensive to him at any point. So it would be inaccurate to claim that he refers to him as a liar and a cheat.
He also makes it clear that he does not think Hillary is "superior" to him, or that he is weak. The only accurate thing is to say that they were both equals, and they helped each other out, but that he believes Hillary does not portray him that way in his account.
The correct answer is:
<span>C. To help persuade your audience that you are correct.</span>
Father Christmas gave Susan <span>a horn, bow and arrow</span>
B is the correct answer.
In this case, there are no personal experiences stated. There are also no interviews with marine biologists about the future of coral reefs. So, the answer is, indeed, B.
I hope this helps!