It is because when it is placed in a freezer, the cold slows down the chemical reaction that makes it glow. Basically, you freeze the chemicals inside the glow stick.
<u>Answer:</u>
Stop [!] the train is approaching.
<u>Explanation:</u>
The punctuation should be an exclamation point because it used at the end of a sentence or a short phrase which expresses very strong feeling.
<em>Hoped this helped.</em>

<span>The answer is C: "distract him from the manuscript"</span>
Its imagery according to Apex 2017