Encyclopedia of Global Resources part 58 ppt

... of gold that is “diluted” by another metal in an alloy is expressed in carats. Pure gold is 24 carats, meaning that 24 out of 24 parts are made of gold. In 18-carat gold, 18 out of 24 parts of ... businesses,and governments to protect the Global 200 by reducing humankind’s im- pact on natural habitats. As part of the campaign, the ship Odyssey has visited some of the Global...

Ngày tải lên: 04/07/2014, 01:20

... and its new title: Encyclopedia of Global Re- sources. Contents and Scope of Coverage Salem Press’s four-volume Encyclopedia of Global Re- sources provides a wide variety of perspectives on both traditional ... discussions of global resources as of natural resources, along with debates over issues such as “sustainable develop- ment,” “renewable vs. nonrenewable resourc...

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... Herding reindeer contin - Global Resources Animal domestication • 43 Sheep were one of the first animals to be domesticated. (USDA) ues as a principal occupationofthe Laplanders of Fin - land, Sweden, ... from the combination of alleles of many genes. Animal breeding seeks to improve genetically the fu- ture population of a particular species by increasing the proportion of de...

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... resource Global Resources ture of printing type, is an alloy of lead with antimony, tin, and sometimes copper; this alloy is also used in metal parts for some musical instruments. Various al- loys of ... retrieval of minerals expensive and hazardous. Many parts of the continent never reach temperatures above freezing, Global Resources Antarctic treaties • 53 National Researc...

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... tons to markets in Asia and Europe. Global Resources Brazil • 139 138 • Brazil Global Resources Brazil: Resources at a Glance Official name: Federative Republic of Brazil Government: Federal republic Capital ... plants, from the level of their cellular biology to the level of their economic produc- tion, is considered part of the field of botany. Definition Botany is an...

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... the Office of the Federal Environmental Executive (OFEE) recognizes the complexity of green building, and organizes the ef- fort around two primary goals: limiting the consump- tion of basic resources ... red in color with a density of 3.14 grams per cubic centimeter,afreezingpointof−7.3°Celsius, and a boiling point of 58. 8° Celsius. A diatomic ele - 142 • Brick Global Resour...

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... management decisions. One of these agencies is the Bureau of Land Man- agement, a part of the U.S. Department of the Inte- rior. According to bureau literature, the Bureau of Land Management’s responsibility ... authorization included such diverse areas of 152 • Bureau of Land Management, U.S. Global Resources power was asignificant source of energy, largely in the form...

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... aninstant and lastingsuccess.Many of Amer- ica’s natural resources were preserved during those few years of the 1930’s in spite of the predictions by some that many of the projects were beyond the ... D. Clays Category: Mineral and other nonliving resources The term “clay” may be used to describe a groupof fine- grained minerals, a type of rock, or a range of particle size, ge...

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... with at least 50 centimeters of rainfall (corn is often irri - gated in drier regions) and daytime temperatures be - 258 • Corn Global Resources Uses of Copper Copper was one of the first metals used ... in order to meet global demand. Uses of Reef Resources The main usesof coral reefs are theirin situecosystem services. The vivid interdependency of the diversity they supp...

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... tons of carbon annually; this reflects impairment of an ecosystem service. The organisms in the world’s ecosystems contain a 332 • Ecosystem services Global Resources wealth of genetic resources ... kilometers of cropland. An increasing proportion of crop production— notably that of corn, soybean, and canola—is used to generate biofuels, while several crops are grown spe- ci...

Ngày tải lên: 04/07/2014, 01:20