Which sentence uses a metaphor to make a point? My backpack weighs a thousand pounds.
Keelie's heart is pure gold.
The wind began to howl.
Sue is as thin as a toothpick.

Answer▪︎#2 -Keelie's heart is pure gold

Answer▪︎#2 -Keelie's heart is pure goldExplanation:

The sentences use is which is commonly used for compare it as a metaphor.

he sentences use is which is commonly used for compare it as a metaphor.The first one is a hyperbole because it is exaggerating.

he sentences use is which is commonly used for compare it as a metaphor.The first one is a hyperbole because it is exaggerating.The third one is personication because it is saying that a non-living thing is doing an action.

he sentences use is which is commonly used for compare it as a metaphor.The first one is a hyperbole because it is exaggerating.The third one is personication because it is saying that a non-living thing is doing an action.The last one is a smilie because it is comparing sue and the toothpick using the words like or as. In this case as.