Past Exam for ENSC 3604 - Fund Environ Science with Zipper at Virginia Tech (VT)

Exam Information

Material Type:Exam 3
Class:ENSC 3604 - Fund Environ Science
Subject:Environmental Science
University:Virginia Polytechnic Institute And State University
Term:Fall 2005
  • Blogosphere
  • Participating
  • Emission Reduction
  • Black Market
  • Scientific Fact
  • Particulates
  • Point Sources
  • Decrease Increase
  • Assessment Process
  • Concentration
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Sample Document Text

1 NAME: ______________ Form A ENSC 3604 -Test Three - 17 November 2005 3 parts -- 100 points total - 20 percent of final grade Part 1 - 23 Questions - 1.5 points each - 34.5 total points 1. Under the human risk assessment process as it is applied in the USA, which would be regarded as an acceptable risk that an exposed person would experience a toxic effect due to release of a chemical pollutant into the environment? 1. No deaths 2. 1 in 100 3. 1 in 10,000 4. 1 in 1,000,000 2. What do EPA studies indicate to be the major source of the atmospheric mercury that is deposited in the United States? 1. Electric power plants in North America 2. Automobile emissions within North America 3. Natural sources, such as wetlands and volcanoes, both in North America and overseas 4. Anthropogenic sources outside North America 3. Which of the following layers of the atmosphere is closest to the earth's surface? 1. Mesosphere 2. Troposphere 3. Stratosphere 4. Thermosphere ...

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