Eighty Percent of the Stars on the H-R Diagram Are

question 10

Multiple Choice

Eighty percent of the stars on the H-R diagram are on the main sequence, and that is because the star is in hydrostatic equilibrium due to the _____.

• A) degenerate property of hydrogen
• B) degenerate property of helium
• C) Hertzsprung-Russell principle
• D) fusion of hydrogen
• E) fusion of helium

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Definitions:

Low Body Weight

Refers to a body weight that is significantly below what is considered normal or healthy for a person's height and age.

Anorexia Nervosa

The pathological desire to maintain a very low body weight.

Bulimia Nervosa

An eating disorder including binging and purging.

Body Dysmorphic Disorder

A mental health condition characterized by obsessive concern about one or more perceived defects or flaws in appearance, which may not be observable to others.