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Beach pollution includes sewage, paper and plastic containers, and oil from boats. Which beach activity most likely increases beach pollution?

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The temperature of water in a glass changes from 5C to -1C. How will the water most likely change?

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A tuna is an ocean fish that is well adapted to catching small, fast-moving prey. Which of the following adaptations most helps a tuna swim fast to catch its prey?

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How do coal and the sun compare as sources of energy?