Health: The Basics (13th Edition)
Health: The Basics (13th Edition)
13th Edition
ISBN: 9780134709680
Author: Rebecca J. Donatelle
Publisher: PEARSON
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Chapter 16, 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
The best long-term solution to the greenhouse gas problem is a.Develop a machine which absorbs carbon dioxide and releases oxygen, similar to what plants do, but better. b.Generating enough smoke in the atmosphere, so that less sunlight penetrates to the earth's surface. c.Using powerful rockets, shift the earth in its orbit slightly, so that it is farther from the sun. d.Using only clean sources of energy.
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