List Four Types of Evidence and an Example of Each

question 115

Essay

List four types of evidence and an example of each.

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Definitions:

Dust Bowl

A period of severe dust storms in the 1930s that greatly damaged the ecology and agriculture of US and Canadian prairies.

Great Plains

A broad expanse of flat land, covered in prairie, steppe, and grassland, located in the central United States and Canada.

Chlorofluorocarbons (CFCs)

Man-made chemical compounds once used in air conditioning, refrigeration, and aerosol propellants, known to deplete the ozone layer.

Propellants

Substances that are used to propel an object by generating a gas under pressure.