Health: The Basics, The Mastering Health Edition (12th Edition)
Health: The Basics, The Mastering Health Edition (12th Edition)
12th Edition
ISBN: 9780134183268
Author: Rebecca J. Donatelle
Publisher: PEARSON
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Chapter 15, Problem 5PQ

The barrier that protects us from the sun’s harmful ultraviolet rays is

  1. a. photochemical smog
  2. b. the ozone layer.
  3. c. gray air smog.
  4. d. the greenhouse effect
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We learned an ironic twist in the film called "The Other Inconvenient Truth."  It was that a. agriculture creates more pollution than other sources, but we have to increase farming for the growing population b. that nitrogen in the soil is significant pollution, but if we don't use these fertilizers we will not have enough food c. That methane is produced by animals and by growing rice. So becoming vegetarian won't clear methane from the atmosphere. d. agriculture uses 70% of fresh water mined , causing a salt water pollution too
Which of the following natural forces is responsible for the release of carbon dioxide and other atmospheric gases? a. the Milankovitch cycles b. volcanoes c. solar intensity d. burning of fossil fuels
Which of the following approaches would be the most effective way to reduce greenhouse carbon dioxide? a. Increase waste deposition into the deep ocean. b. Plant more environmentally-suitable plants. c. Increase use of fuel sources that do not produce carbon dioxide as a by-product. d. Decrease livestock agriculture.
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