Finish the following sentence with the best choice: How do you sterilize a jar to store homemade jam in them?

Choices:
- First wash the jar with hot, soapy water and rinse it under hot water from the faucet. Fill a large pot with tap water and bring the water to a rolling boil. Then fully submerse the jar in the pot of boiling water for 10 minutes to sterilize it.
- First wash the jar with cool, soapy water and rinse it under cool water from the faucet. Fill a large pot with tap water and bring the water to a rolling boil. Then fully submerse the jar in the pot of boiling water for 2 minutes to sterilize it.

Answer:
First wash the jar with hot, soapy water and rinse it under hot water from the faucet. Fill a large pot with tap water and bring the water to a rolling boil. Then fully submerse the jar in the pot of boiling water for 10 minutes to sterilize it.