Problem: Write a question you would see in a school textbook.

Answer: Which unit is used to indicate the amount of energy in food?

question: Write a question you would see in a school textbook. OPTIONS:
- Iron is twice as dense as aluminum.
- Atoms of aluminum are smaller than atoms of iron.
- Using equal masses results in similar heat capacities.
- The specific heat of iron is less than that of aluminum.
answer: A 10 g sample of aluminum and a 10 g sample of iron were each heated by 100 joules of energy. The temperature of the aluminum sample rose 11C, while the temperature of the iron sample increased 23C. Which statement best accounts for these results?

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Students researched monkeys at a zoo. They recorded the monkeys' traits and behaviors. This investigation activity is best described as

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Which of the following helps to produce urine in humans and other mammals?