1. How is the process that generates energy in the Sun's core different from an explosion caused by a chemical reaction? (1 point)
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2. How is energy transferred from the core of the Sun to its surface? (1 point)
3. How is energy from the surface of the Sun transferred to Earth? (1 point)
4. What is the 11-year solar cycle? (1 point)
5. How does the solar cycle affect the amount of energy that Earth receives from the Sun? (1