In Order to Explain the Varying Speed of the Planets

question 32

Multiple Choice

In order to explain the varying speed of the planets across the night sky,Ptolemy's model introduced:

• A) elliptical orbits.
• B) the equant.
• C) the celestial sphere.
• D) synodic months.

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The complete amount of income generated by the sale of goods or services before any costs or expenses are subtracted.

Perfectly Price Elastic

A market situation in which demand or supply responds infinitely to changes in price, meaning any tiny price change results in an infinite quantity demanded or supplied.

Demand

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

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