Heat from the room is absorbed by the ice cube. The ice cube molecules move more slowly. One side of the ice cube is colder than the other. Heat from the ice cube moves into the air.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which statement describes the reason why an ice cube melts when set out in a warm room?
Possibilities:
- Heat from the room is absorbed by the ice cube.
- The ice cube molecules move more slowly.
- One side of the ice cube is colder than the other.
- Heat from the ice cube moves into the air.

Heat from the room is absorbed by the ice cube.