What Is a Protostar

question 76

Multiple Choice

What is a protostar?

• A) A star that is still in the process of forming
• B) A star that has planets
• C) An intermediate-mass star
• D) A star in its final stage of life

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Definitions:

Units of X

A term often used in economics to denote a quantity of a particular good or service being considered.

Data

Information, especially facts or numbers, collected to be examined and considered and used to help decision-making.

Value for Y

This term does not directly correspond to a widely recognized economic concept without additional context. It may be used in specific mathematical or economic models to denote the value of a variable Y.

Marginal Utility

The change in total utility a person receives from consuming one additional unit of a good or service.