Coal, Petroleum, and Natural Gas Are Considered to Be Fossil

question 34

Multiple Choice

Coal, petroleum, and natural gas are considered to be fossil fuels because________ .

• A) their oxygen and nitrogen content were derived from the ancient atmosphere
• B) their energy content was derived from ancient sunlight
• C) carbon dioxide, released when they burn, contributes to the greenhouse effect
• D) coal beds and petroleum reservoir rocks contain abundant fossils

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Definitions:

Production

The process of combining various material inputs and immaterial inputs (plans, know-how) in order to make something for consumption (the output).

Supply Curves

Graphical representations showing the relationship between the price of a good and the quantity of that good that suppliers are willing and able to sell, holding other factors constant.

Long Run

A period in economics in which all factors of production and costs are variable, allowing all inputs to be adjusted.

Perfectly Inelastic

A situation where demand does not change at all in response to changes in price.