Few People Today Even Know That the Milky Way Is

question 54

Multiple Choice

Few people today even know that the Milky Way is a spiral arm of our galaxy, containing such a dense cluster of stars that in the past it appeared not as individual points of light but as a splash of light across the night sky. Why is it no longer visible this way?

• A) the greenhouse effect
• B) light pollution
• C) global dimming
• D) air pollution
• E) the breaking of the Hubble telescope on the International Space Station

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Definitions:

Variable Costs

Expenses that fluctuate with production volume, such as raw materials, direct labor, and certain utilities.

Special Equipment

Equipment that is not standard issue and is designed or selected for a specific task or environment.

Beet Fiber

A byproduct of sugar beet processing that is used as a dietary fiber supplement or in the production of biodegradable products.

Refined Sugar

Sugar that has been processed to remove impurities and achieve a desired level of purity.