If the Entire History of the Earth Was Scaled to a Time

question 40

Multiple Choice

If the entire history of the Earth was scaled to a time line the length of a football field, human civilization would occupy what proportion of the field?

• A) a sliver no thicker than a piece of paper
• B) a silver no thicker than an atom
• C) about a quarter of the field
• D) about a half of the field

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Definitions:

Marginal Cost

The expenditure associated with creating a subsequent unit of a product or service.

Subsidy

A financial contribution or support given by a government or institution to lower the price of a good or service, often intended to encourage production or consumption, reduce costs, or support industries.

Cost Schedule

A detailed listing showing the various quantities of a good or service and the associated costs of producing them.

Marginal Revenue

The increase in revenue resulting from the sale of one additional unit of a product.