It extends over parts of Alaska, Canada, Greenland, Iceland, Norway, Sweden, Finland and Russia. It has a surface area of about 5.4 million square miles. The rest of Earth's deserts are outside of the polar areas. The largest is the Sahara Desert, a subtropical desert in northern Africa. It covers a surface area of about 3.5 million square miles. A list of the twenty largest non-polar deserts can be found below. When most people think of a desert they imagine a landscape covered with sand and sand dunes.
http://geology.com/records/largest-desert.shtml
If you were in northern Alaska, you would be in a frosty biome called the Arctic tundra. If you jumped on a plane and flew to Brazil, you could be in a hot and humid biome called the tropical rainforest. The world contains many other biomes: grasslands, deserts, and mountains, to name a few.
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• The Kalahari supports more plant and animal life than other deserts, and some parts of it receive more than 9.8 inches of rain per year. Thus, these parts sustain a good amount of vegetation. The story, however, is different in the southwest region of the desert.
http://www.buzzle.com/articles/deserts-of-the-world-list-of-deserts-around-the-world.html
Scientists estimate that about one-fifth of the earth's land surface is desert. Deserts can be found on every continent except Europe. There are two different kinds: hot and dry (such as the Arabian and Sahara deserts) and cold and dry (such as Antarctica and the Gobi desert).
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• The desert receives an annual rainfall of 0.03 inches, making it the driest place on earth. According to NASA, there are parts of the desert which have not witnessed any rain for centuries. In fact, it is said that this place has not received a drop of rain, which could be recorded by weather stations.
http://www.buzzle.com/articles/deserts-of-the-world-list-of-deserts-around-the-world.html
Tropical rainforests are found in Asia, Africa, South America, Central America, and on many of the Pacific islands. They are often found along the equator. Almost half of the world's tropical rainforests are in the South American country Brazil.
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In North America, there are four major deserts: the Great Basin, the Mojave, the Sonoran, and the Chihuahuan. All but the Great Basin are hot deserts located in Mexico and the southwestern part of the United States. The Great Basin covers parts of Idaho, Nevada, Oregon, and Utah, and is considered a cold desert.
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Most of the plants you'll see in the desert are species of cactus. You might come across yucca, aloe, octillo plants, or the tall saguaro cacti. A few animals—mainly reptiles, like snakes and lizards, and amphibians, like frogs and toads—are well adapted to the hot desert.
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• Annual rainfall recorded in most dry areas of the desert is 9.8 inches, while in some areas, 12 inches. • Summer days are hot, with temperatures ranging from 38 °C to 42 °C, while winters are a pleasant 25 °C to 30 °C.
http://www.buzzle.com/articles/deserts-of-the-world-list-of-deserts-around-the-world.html
• Plants commonly found in the desert include low-lying shrubs, pencil plants, and dollar plants. The welwitschia plant, which Charles Darwin described as platypus of the plant kingdom, can be found only in this part of the world.
http://www.buzzle.com/articles/deserts-of-the-world-list-of-deserts-around-the-world.html
deserts can be found in what parts of earth
Deserts can be found on every continent except Europe.