In 2005,for Which of the Following Did 87% of Streams

question 62

Multiple Choice

In 2005,for which of the following did 87% of streams located downhill from mining operations exceed the EPA's allowances?

• A)arsenic
• B)lead
• C)iron
• D)sulfate
• E)selenium

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Definitions:

Government Positions

Roles or jobs within a governmental organization, ranging from elected positions to appointed bureaucratic roles.

Printing Press

A mechanical device invented by Johannes Gutenberg in the 15th century, which allowed for the mass production of printed materials, significantly impacting the spread of knowledge.

Movable Type

The system and technology of printing and typography that uses movable components to reproduce the elements of a document.

Columbus's Voyage

The expedition led by Christopher Columbus in 1492, which led to European awareness and eventual colonization of the Americas.