What Is the Basis for Defining the Length of a Day

question 107

Multiple Choice

What is the basis for defining the length of a day?

• A)Earth rotates east to west.
• B)Earth moves through 365.25 days a year in its orbit about the Sun.
• C)Earth rotates on its axis in 24 hours; i.e.,it rotates 15° of longitude per hour.
• D)Earth does not rotate; rather,it revolves.

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Definitions:

Fixed Input

Production factor that cannot be varied.

Technological Improvement

A process of innovation where new technologies or improvements to existing ones increase the efficiency or effectiveness of products, services, or processes.

Diminishing Returns

A principle stating that as investment in a particular area increases, the rate of profit from that investment, after a certain point, cannot increase proportionally.

Total Product Curve

A graphical representation showing the relationship between the total output produced and the quantity of a single input.