D. He has an aerator that pumps bubbles into the tank
D all of the above would be the correct answer
Answer:
What is this off of, can you give me more information so I can help you
Explanation:
<span>This energy comes from the food we eat. Our bodies digest the food we eat by mixing it with fluids (acids and enzymes) in the stomach. When the stomach digests food, the carbohydrate (sugars and starches) in the food breaks down into another type of sugar, called glucose.
hope i helped :)
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