Before the 1980s,chlorofluorocarbons (CFCs)were Primarily Used as ____

question 52

Multiple Choice

Before the 1980s,chlorofluorocarbons (CFCs) were primarily used as ____.

• A) ingredients in fire extinguishers and propellants in aerosol cans
• B) coolants in air conditioners and industrial solvents
• C) buoyancy gas in blimps
• D) ingredients in bleach and propellants in aerosol cans
• E) coolants in air conditioners and propellants in aerosol cans

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Definitions:

Erie Canal

Most important and profitable of the canals of the 1820s and 1830s; stretched from Buffalo to Albany, New York, connecting the Great Lakes to the East Coast and making New York City the nation’s largest port.

Great Lakes

A group of five large, interconnected freshwater lakes located on the border between the United States and Canada, significant for their combined area, volume, and role in North American commerce and navigation.

Facilitated

To facilitate means to make an action or process easier or to assist in the progress of something, often by providing necessary resources, information, or support.

Lafayette's Visit

Refers to the tour of the United States by the Marquis de Lafayette, a French aristocrat and military officer who fought in the American Revolutionary War, celebrated as a hero during his visit in the early 19th century.