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Hurricane Rita
Hurricane Rita is the fourth-most intense Atlantic hurricane ever recorded and the most intense tropical cyclone observed in the Gulf of Mexico. Rita caused $10 billion in damage on the U.S. Gulf ... > more -
Ocean surface wave
Ocean surface waves are surface waves that occur at the surface of an ocean. They usually result from distant winds or geologic effects and may travel thousands of miles before striking land. They ... > more -
Phosphorus
Phosphorus is the chemical element in the periodic table that has the symbol P and atomic number 15. Phosphorus is commonly found in inorganic phosphate rocks and in all living cells. The most ... > more -
Sulfur hexafluoride
Sulfur hexafluoride (SF6) is a gas whose molecules consist of one sulfur atom and six fluorine atoms. It is colorless, odorless, non-toxic, and non-flammable, and is soluble in water and some other ... > more -
Organic farming
Organic farming is a form of agriculture that relies on ecosystem management and attempts to reduce or eliminate external agricultural inputs, especially synthetic ones. It is a holistic production ... > more -
North American blizzard of 2006
The Blizzard of 2006 was a nor'easter that began on the evening of February 11, 2006. It dumped heavy snow across the Northeast United States from Virginia to Maine through the early evening of ... > more -
Water pollution
Water pollution is a large set of adverse effects upon water bodies (lakes, rivers, oceans, groundwater) caused by human activities. Although natural phenomena such as volcanoes, storms, earthquakes ... > more
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