BIOLOGY
BIOLOGY
4th Edition
ISBN: 9781266739606
Author: Hoefnagels
Publisher: MCG
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Chapter 40, Problem 4MCQ
Summary Introduction

Introduction:

The ozone hole was revealed by satellites from 1979 to 2012. The image taken on 15 September every year shows the expansion of ozone hole. The area of ozone hole expands every year. The protocol of 1987 includes the restriction on chlorofluorocarbons.

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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
If there are many greenhouse gases, why is only carbon dioxide considered a cause of global warming?a. The other gases do not cause global warming.b. It isn’t. Scientists are concerned about other causes; for example, release of methane from melting permafrost could have significant effects on global warming.c. Other gases occur in such low quantities that they have little effect on the climate.d. Carbon dioxide is the only gas that absorbs long-wavelength infrared radiation.
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