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FACTS Sahara covers more than 3.5 million sq. mi. Death Valley (Mojave Desert) covers Nevada, Arizona, and California over 25,000 sq. mi.

Published byJoseph Boyd Modified over 9 years ago

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Presentation on theme: "FACTS Sahara covers more than 3.5 million sq. mi. Death Valley (Mojave Desert) covers Nevada, Arizona, and California over 25,000 sq. mi."— Presentation transcript:

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3 FACTS Sahara covers more than 3.5 million sq. mi. Death Valley (Mojave Desert) covers Nevada, Arizona, and California over 25,000 sq. mi.

4 CLIMATE Dry desert climate formed by high pressure zones Average temperature: Day 38 0 C, Night -3.9 o C Terrain Mountains Basins High Plain Sand dunes-less than 29% in North America, 11% in Sahara, and 30% in Arabian Water Groundwater-trapped in aquifers; close to surface may create an oasis (green, fertile haven) Surface water-streams form after rain; permanent rivers include Colorado River through Grand Canyon and Nile River in Egypt

5 Flora Barrel cactus Pancake prickly pear cactus Soaptree yucca Mojave aster Joshua tree Desert ironwood Fauna Camel Bobcat Coyote Desert kangaroo rat Many types of lizards and snakes Red-tailed hawk

6 Deserts cover 1/5 of the Earth’s land Extremely hot and dry during the day, cold at night Dangerous for humans to be exploring alone Receive less than 10 inches of rain annually Driest biome

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