Natural Science CLEP Prep Practice Exam

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Prepare for the CLEP Natural Science Exam with our comprehensive study materials and practice questions. Test your knowledge and ace the exam by mastering key concepts.

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How does the Sun produce energy?

  1. Burning coal

  2. Combining hydrogen and oxygen

  3. Fusion of hydrogen to form helium

  4. Fission of uranium

The correct answer is: Fusion of hydrogen to form helium

The Sun produces energy through a process called nuclear fusion, which is the combination of hydrogen nuclei to form helium. This process releases a tremendous amount of energy in the form of light and heat. Option A (burning coal) is incorrect because the Sun does not use fossil fuels to produce energy. Option B (combining hydrogen and oxygen) is incorrect because this refers to the process of creating water, not the Sun's energy production. Option D (fission of uranium) is incorrect because this is a process that occurs in nuclear power plants, not in the Sun.

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