Why Do Astronomers Build Telescopes on Tops of Mountains

question 74

Multiple Choice

Why do astronomers build telescopes on tops of mountains?

• A)There is less air to dim the light.
• B)The weather is better on mountain tops.
• C)Electronic cameras work better when there is less oxygen in the air.
• D)Mountaintops are closer to objects in space.

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Definitions:

Wage Level

The average rate of pay for workers or employees within a specific area or sector.

Labor Demand

The total amount of workers that employers are willing and able to hire at a given wage rate.

Full Employment

A situation in an economy where all available labor resources are being used in the most efficient way possible, typically characterized by the absence of cyclical unemployment.

Combined Value

The total worth generated by merging two or more elements, products, or processes, which is often greater than the sum of their separate values.