Which of the Following Indicates That Quasars Must Be Small

question 22

Multiple Choice

Which of the following indicates that quasars must be small?

• A)They have high radial velocities.
• B)They are surrounded by quasar fuzz.
• C)They radiate huge amounts of energy.
• D)They fluctuate rapidly on time scales as short as a few hours.

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Definitions:

Price of Y

Refers to the cost or value assigned to a particular good or service denoted by the variable "Y."

Units of X

A generic term for the measurable quantity of a particular thing or variable being studied or utilized.

Leftward Shift

This denotes a movement to the left on a graph, often used in economics to indicate a decrease in supply or demand, leading to changes in price and quantity in the marketplace.

Consumer's Budget Line

A graphical representation of all possible combinations of goods and services that a consumer can purchase with a given income.