The Sun is far away. The Sun makes heat. The ice cube is a solid. The ice cube looks clear.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: An ice cube placed in sunlight melts quickly. Which BEST explains this event?
Possibilities:
- The Sun is far away.
- The Sun makes heat.
- The ice cube is a solid.
- The ice cube looks clear.

The Sun makes heat.