Which Two Energy Sources Can Help a Star Maintain Its

question 74

Multiple Choice

Which two energy sources can help a star maintain its internal thermal pressure?

• A)nuclear fusion and gravitational contraction
• B)nuclear fission and gravitational contraction
• C)nuclear fusion and nuclear fission
• D)chemical reactions and gravitational contraction
• E)nuclear fusion and chemical reactions

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Definitions:

Particular Event

A specific occurrence or happening relevant to the context in which it is mentioned.

Variation

The act or process of altering or deviating from the standard or expected form, outcome, or specification.

Allowable Variation

The range of acceptable deviation from a specified standard in a product or process without compromising quality.

Control Limits

The boundaries in control charts that indicate the acceptable range of variation for a process or quality characteristic.