Answer:
A
Explanation:
Reptiles arose about 310–320 million years ago during the Carboniferous period.
Answer:
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.
Explanation:
Answer:
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Explanation: