When Helium Fusion Begins in the Core of a Red

question 33

Multiple Choice

When helium fusion begins in the core of a red giant star,the situation quickly gets out of control because electron-degeneracy pressure does not respond to changes in

• A) luminosity.
• B) density.
• C) gravity.
• D) temperature.

---

Definitions:

Variable Costs

Costs that vary in direct proportion to changes in levels of production or sales, such as raw materials and labor expenses.

Variable Costs

Costs that change in proportion to the level of production or sales activity, such as raw materials or direct labor.

Direct Proportion

A relationship between two variables where an increase in one results in a proportional increase in the other.

Activity Level

In accounting and management, refers to the volume of units produced, hours worked, or any other measure of output that drives the costs in a business.