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15 Cards in this Set

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  • Back
Water vapor
water in the form of gas
water cycle
the process of water moving from oceans to the air to the ground and finally back to the oceans
evaporation
heat turns water into vapor
groundwater
freshwater that fills cracks and holes in the layers of rock below the surface of the earth
aquifer
underground rock layer where water flows through it
tropics
The area of land between the Tropic of Cancer and the Tropic of Capricorn
currents
moving streams of water in the ocean
hurricanes
violent tropical storms that form over the Atlantic Ocean
Typhoons
hurricanes that form in the Pacific Ocean
monsoons
seasonal winds that bring rain for crops in South Asia
tropical rain forest
tropical areas where heat and rain produce lush vegetation
tropical savanna
tropical areas where there is a wet season and a season that is hot and dry (southern India and eastern Africa)
permafrost
lower layer of soel that stays frozen permanently
timberline
the elevation on Moutains above which no trees grow
steppes
partly dry grasslands with only 10 to 20 inches each year