I'm not sure how to understand this question...
But if the question is asking about what the cat did, and how you would explain it?
or if they meant to explain that sentence...
if they mean to explain the sentence itself, I would say the answer is
A
But is they meant to tell about the next chapter, I would ASSUME the answer to be
B
Answer:
the answer is b: to explain how light travels
Explanation:
<span>a system or thing used as an example to follow</span>
Answer:
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Explanation:
