By Allan B. Cobb
This encyclopedia set, a part of the Macmillan technological know-how Library sequence, is designed to deal with middle-school scholars via university undergraduates. The paintings includes nearly three hundred signed entries on numerous subject matters in relation to animal technological know-how, together with animal improvement, capabilities, habit, ecology, and evolution.The connection among animals and people can also be explored in entries reminiscent of Animal trying out, Apiculture, and household animals. additionally incorporated are biographies of famous scientists who've made ''significant contributions'' to the sphere (for example,Henry Walter Bates, Rachel Carson, Gregor Mendel) in addition to introductions to profession possibilities within the comparable disciplines. Articles look in alphabetical order and variety in size from a number of paragraphs to numerous pages. All are observed through see additionally references and additional studying feedback (including net sites). every one quantity starts with an entire desk of contents, a geological time scale, 5- and six-kingdom category comparisons, a phylogenetic tree of existence, and a chart of measurements, abbreviations, and conversions. each one concludes with an issue outline,an index (volume four encompasses a cumulative index), and a 600-plus-word word list.
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The measure made it illegal to dump waste into waters used by any kind of vessels, except by special permission. Another method of classifying water pollutants is to distinguish between pollutants that are not altered by the biological processes occurring in natural waters, and those that will eventually break down into other, perhaps less objectionable, compounds. Inorganic chemicals are diluted by water but do not chemically change. Industrial waste often contains this sort of pollutant (for example, mercury).
And David Brownstone. The Green Encyclopedia. New York: Prentice Hall General Reference, 1992. Harms, Valerie. The National Audubon Society Almanac of the Environment. New York: Putnam Publishing, 1994. Luoma, Jon R. The Air Around Us: An Air Pollution Primer. Raleigh, NC: Acid Rain Foundation, 1989. , G. Tyler. Living in the Environment, 6th ed. Belmont, CA: Wadsworth Publishing Company, 1990. Mott, Lawrie, and Karen Snyder. Pesticide Alert: A Guide to Pesticides in Fruits and Vegetables. San Francisco: Sierra Club Books, 1997.
Business and industry bear the direct costs of compliance with regulations designed to control air pollution. Ultimately, consumers bear these costs through increased prices and reduced stock dividends. However, the economic benefits of cleaner air may be returned to the consumer in the form of lower health costs and longer-lasting and more reliable products. Types of Pollutants and Controls There are six principal classes of air pollutants: particulate matter (soot), carbon monoxide, sulfur oxides, nitrogen oxides, unburned hydrocarbons, and ozone.
Animal Sciences. Per-Zoo by Allan B. Cobb