Answer:
metaphor
Explanation:
They are using a form of imagery in this phrase. The train carts are not literally ice cubes bobbing up and down. It's used to help the reader imagen the scenario. Always refur to a "sentance/quote" as a 'phrase'. And use things like further more and moreover to get yourself good grades. Good luck
Direct Characterization or D
<span>the repetition of phrases or sentences with similar structures or meanings</span>
