Why Is Hydrogen Burning the Main Energy Source for Main-Sequence

question 70

Multiple Choice

Why is hydrogen burning the main energy source for main-sequence stars?

• A) Hydrogen is the most common element in stars.
• B) Hydrogen nuclei have the smallest positive charge.
• C) Hydrogen burning is the most efficient of all fusion or fission reactions.
• D) Hydrogen can fuse at temperatures lower than other elements.
• E) All the above are valid reasons.

---

Definitions:

Berlin

The capital and largest city of Germany, known for its cultural heritage, historical significance, and role in world politics.

Fourteen Points

A statement of principles for peace that was to be used for peace negotiations in order to end World War I, proposed by U.S. President Woodrow Wilson.

Woodrow Wilson

The 28th President of the United States (1913-1921) known for leading the country during World War I and advocating for the League of Nations.

Peace

A state or period in which there is no war or any other kind of conflict, often associated with tranquility, harmony, and the absence of hostility.