Finish the following sentence with the best choice: How do you melt the wax down when making a Fire Beacon?

Choices:
- It's best to melt the wax in a double boiler to prevent the wax from catching fire.
- It's best to melt the wax in a double boiler to prevent the wax from catching a case.

Answer:
It's best to melt the wax in a double boiler to prevent the wax from catching fire.