NEED MORE DETAIL TO ANSWER THIS QUESTION
The Correct answer is C. people use the lights to brighten and mask the dreariness of their lives.
C. Curiosity
She wants to know what caused the noise
The noun clause is <span>how the Aztecs made their astronomical calculations.
</span>Just invert the whole sentence - The subject of my next paper is <span>how the Aztecs made their astronomical calculations.
</span>The whole clause is used as the direct object.
<span>A.
They remind him of a happier, more humane past.</span>