Each Successive Stage of Core Nuclear Reactions in a Massive

question 132

Multiple Choice

Each successive stage of core nuclear reactions in a massive star lasts for considerably less time than the previous stage (e.g., for a 25-solar-mass star, carbon fusion lasts for 600 years, while neon fusion lasts for only 1 year) . One reason is that the

• A) later the stage of fusion, the less massive is the star.
• B) later the stage of fusion, the more massive is the star.
• C) more massive the nuclei, the fewer there are to react together.
• D) more massive the nuclei, the less stable the end products.

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Definitions:

Prevalence Rate

The proportion of individuals in a population having a particular disease or condition at a specific time.

Overweight Adults

Individuals aged 18 or older who have a Body Mass Index (BMI) of 25 to 29.9, categorizing them as overweight.

Gender Differences

The distinctions in characteristics, roles, behavior, or physiological attributes typically associated with being male or female.

High Blood Pressure

A medical condition where the force of the blood against artery walls is too high, often leading to health risks like heart disease.