Аннотация от автора: Zinc, a chemical element, is a shiny, bluish-white metal. It is important in industry. Zinc can be worked into almost any shape using conventional metalworking methods. Such metals as iron and steel can be galvanized--that is, coated with zinc--to prevent rusting. Galvanized metal is used in such products as roof gutters and tank linings. Zinc is also used in electric batteries. Plants and animals require zinc for normal growth and healing. Zinc is also a component of the hormone insulin...

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Аннотация от автора: Zambia, pronounced ZAM bee uh, is a country in south-central Africa. It ranks as one of the world's largest producers of copper. Zambia exports copper to many parts of the world and gains much income from the exports...

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Аннотация от автора: Zappa, Frank (1940-1993), was one of the most creative and versatile personalities in the history of American rock music. Zappa was a composer, bandleader, and guitarist. Although he was one of the major innovators of rock music, he also attempted to blend jazz and classical music. Zappa performed much of his work through his band, the Mothers of Invention, a shifting group of musicians that he led for many years...

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Аннотация от автора: Zebra is a striped member of the horse family. There are three species--the common zebra, Grevy's zebra, and the mountain zebra. They live in herds in the deserts and grasslands of eastern and southern Africa...

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Аннотация от автора: Zimbabwe, pronounced zihm BAH bway, is a landlocked country in southern Africa. Most of the country is a high plateau. Zimbabwe lies in the tropics but has a pleasant climate because of the high altitude. Zimbabwe's beautiful scenery includes the famous Victoria Falls on the Zambezi River along the country's northern border. Zimbabwe is a leading mineral producer. Harare is the capital and largest city...

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Аннотация от автора: Zionism is a movement aimed at establishing a national Jewish state in Palestine, the ancient Jewish homeland. Active Zionism began in the 1800's and led to the establishment of Israel in 1948. Zionism now supports various projects in Israel and acts as a cultural bridge between Israel and Jews in other countries. Zionists work to revive the national Jewish language and culture, and to establish the political and social institutions needed to re-create national Jewish life. Zion is the Hebrew poetic name for Palestine...

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Аннотация от автора: Zodiac, pronounced ZOH dee ak, is a band-shaped section of the sky that contains 12 special constellations. The zodiac extends about 9 degrees on either side of the ecliptic, the yearly path the sun seems to follow in relation to other stars...

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Аннотация от автора: Zoo is a place where people keep and display animals. Visiting zoos is a popular recreational and educational activity throughout the world. Almost every large city has at least one zoo, and many smaller communities also have one. Many zoos have beautiful gardens and tree-lined paths leading from one animal display to another. The word zoo is short for zoological garden...

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Аннотация от автора: Zoology, pronounced zoh AHL uh jee, is the study of animals. Zoologists try to answer many questions about animals. For example, they conduct research to determine how animals carry out the activities of their lives. They also study how different species are related to one another and how species have evolved (changed over long periods). Zoologists observe the ways animals interact with one another and their environment. They also try to find out how people and animals affect one another...

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Аннотация от автора: Zoroastrianism, pronounced zawr oh AS tree uh nihz uhm, is a religion founded between 1400 and 1000 B.C. by a Persian prophet named Zoroaster. Zoroaster is the Greek form of the Persian name Zarathustra, which means He of the Golden Light...

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