Question: How do you sterilize a jar to store homemade jam in them?

  Options: 
 A. 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.
 B. 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: A