Finish the following sentence with the best choice: To prevent the jars from breaking when they are filled and processed with homemade dog food

Choices:
- Preheat the jars by placing the jars in a pan with water and boil the water
- Preheat the jars by placing the jars in a pan with water and freezel the water

Answer:
Preheat the jars by placing the jars in a pan with water and boil the water