Which Distance Indicator Can Be Used to Measure the Most

question 20

Multiple Choice

Which distance indicator can be used to measure the most distant objects?

• A) Cepheids
• B) Parallax
• C) Type I supernovae
• D) Main-sequence fitting

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Definitions:

Increasing Demand

A situation where the quantity of a good or service that consumers are willing and able to buy increases, often due to factors like rising incomes, changes in tastes, or lower prices of the product.

Allocative Efficiency

A state of resource allocation where it is impossible to make any one individual better off without making at least one individual worse off.

Productive Efficiency

A condition in which an economy or entity is utilizing all its resources efficiently, producing maximum output for a given set of inputs without waste.

Demand (D)

The quantity of a good or service that consumers are willing and able to purchase at various prices during a certain period of time.