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The Dominant Energy Source That Powers the Sun at the Present

Question 219
Multiple Choice
arrowQuestion 219arrow
Multiple Choice

The dominant energy source that powers the Sun at the present time is

A) the release of gravitational energy as the Sun slowly contracts.
B) thermonuclear fusion of hydrogen into helium in the core.
C) thermonuclear fission of helium into hydrogen in the core.
D) thermonuclear fusion of helium into heavier elements in the core.

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