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31 votes
The Sun's primary energy source is

User Eduardo Lynch Araya
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2 Answers

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21 votes
The sun generates energy from a process called nuclear fusion. During nuclear fusion, the high pressure and temperature in the sun's core cause nuclei to separate from their electrons. Hydrogen nuclei fuse to form one helium atom. During the fusion process, radiant energy is released.
User Eric Ly
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21 votes

Answer:

nuclear fusion

Step-by-step explanation:

converting hydrogen to helium.

User EarlyPoster
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