Which of the Following Is True of CFCs

question 129

Multiple Choice

Which of the following is true of CFCs?

• A) They are now banned by international treaty.
• B) They have disappeared in the atmosphere.
• C) They are very toxic to humans.
• D) They are not able to exist for long in the atmosphere.
• E) They are now the most dominant gases in the stratosphere.

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Definitions:

Philadelphia Convention

The meeting in 1787 that resulted in the drafting of the United States Constitution.

Slave Trade

The historical trade in which people were captured, forcibly transported, and sold as slaves, profoundly impacting Africa, the Americas, and Europe from the 16th to the 19th century.

Black Soldiers

African American military members who have served in various capacities in the armed forces, especially noted during the American Civil War and both World Wars.

War for Independence

Refers to the American Revolutionary War (1775-1783), in which the thirteen American colonies fought for and gained independence from British rule.