Which of the following is a renewable resource?

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Prepare for the Virginia 7th Grade Science SOL Test. Incorporate flashcards and multiple choice questions, each with hints and detailed explanations. Ensure your success on the exam!

Multiple Choice

Which of the following is a renewable resource?

Explanation:
Renewable resources are those that can be replenished naturally on a human time scale. Hydroelectric power uses the energy of moving water from rivers and waterfalls, which are part of the water cycle that continually replenishes itself through precipitation and evaporation. As long as water flows, we can generate electricity without running out of the resource, making it renewable. In contrast, coal, oil, and natural gas come from ancient organic material that took millions of years to form, and once we burn them, they’re depleted for a very long time. That’s why those fossil fuels are considered nonrenewable.

Renewable resources are those that can be replenished naturally on a human time scale. Hydroelectric power uses the energy of moving water from rivers and waterfalls, which are part of the water cycle that continually replenishes itself through precipitation and evaporation. As long as water flows, we can generate electricity without running out of the resource, making it renewable. In contrast, coal, oil, and natural gas come from ancient organic material that took millions of years to form, and once we burn them, they’re depleted for a very long time. That’s why those fossil fuels are considered nonrenewable.

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