Copernicus

question 31

Multiple Choice

Copernicus

• A) provided strong observational evidence that the Earth moved about the Sun
• B) proved that the orbital shapes of the planets were ellipses and not circles
• C) was the first person to suggest the Earth moved around the Sun
• D) revived Aristarchus's suggestion of a Sun-centered solar system and described it mathematically

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Definitions:

Price Range

The spread between the highest and lowest prices of a good, service, or asset in a specific period.

Optimal Cost

The lowest possible cost at which a particular operation, process, or activity can be performed efficiently without sacrificing quality or outcome.

Double-subscripted Variables

Variables in mathematical modeling or data analysis denoted with two subscripts, indicating their position in a matrix or their relationship between two sets.

Material Balance Equation

An equation used in chemical engineering to relate the quantities of materials entering and leaving a process.