Question: How do you remove odors from refrigerator?

  Options: 
 A. Deodorize with baking soda. Leave an closed container of baking soda in the fridge to absorb refrigerator smell for at least 24 hours.
 B. Deodorize with baking soda. Leave an open container of baking soda in the fridge to absorb refrigerator smell for at least 24 hours.
Answer: B