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Rollerblades Is a Brand Name for In-Line Skates

question 146

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Rollerblades is a brand name for in-line skates.People often refer to Rollerblades as if it were the product name.The company that makes Rollerblades may someday find its brand name becomes which of the following?


Definitions:

Butane

A gaseous hydrocarbon (C4H10) that is a constituent of natural gas and petroleum, used as a fuel and in the manufacture of organic compounds.

Propane

A flammable hydrocarbon gas used as a fuel for heating, cooking, and in some vehicles, also known as liquefied petroleum gas (LPG) when stored under pressure.

Natural Gas

A combustible hydrocarbon mainly made up of methane, utilized for generating heat, cooking food, and producing electricity.

Net Useful Energy Yield

The difference between the energy produced by a system and the energy consumed to create that energy, indicating the efficiency of energy production.

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