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

question 25

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 these are valid reasons.

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Definitions:

Post Hoc

The fallacy of using the fact that one event preceded another as sufficient evidence for the conclusion that the first caused the second.

Fallacy

An incorrect reasoning technique that spoils the legitimacy of an argument.

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A soft, cohesive substance designed to be chewed without being swallowed, often used to freshen breath or for enjoyment.

Arm Sore

A physical condition often resulting from excessive use or exertion of the arm muscles, leading to discomfort or pain.