Avalanche Articles

• Mining
  Pollution
  Healthy Aging
  Attention Deficit Disorder
  Sports Science
  Sports Medicine
   
  

  Lead

  Lead is a chemical element in the periodic table that has the symbol Pb and atomic number 82. Lead has a dull luster and is a dense, ductile, very soft, highly malleable, bluish-white metal that has ... > more
• Earthquakes
  Natural Disasters
  Tsunamis
  Oil Spills
  Geology
  Pollution
   
  

  1999 Izmit, Turkey Earthquake

  The Izmit earthquake with a magnitude of 7.4 which lasted for 45 seconds killed over 17,000 in northwestern Turkey on 17 August ... > more
• Geography
  Global Warming
  Climate
  Environmental Issues
  Earth Science
  Oceanography
   
  

  Gulf Stream

  The Gulf Stream, together with its northern extension, the North Atlantic Drift, is a powerful, warm, and swift Atlantic ocean current that originates in the Gulf of Mexico, exits through the Strait ... > more
• Hazardous Waste
  Sports Science
  Chemistry
  Organic Chemistry
  Construction
  Physics
   
  

  Arsenic

  Arsenic is a chemical element in the periodic table that has the symbol As and atomic number 33. This is a notoriously poisonous metalloid that has three allotropic forms; yellow, black and grey. ... > more
• Volcanoes
  Natural Disasters
  Earthquakes
  Geography
  Geology
  Tsunamis
   
  

  Stratovolcano

  A stratovolcano is a tall, conical volcano composed of one layer of hardened lava, tephra, and volcanic ash. These volcanoes are characterized by a steep profile and periodic, explosive eruptions. ... > more
• Geology
  Geography
  Oceanography
  Earth Science
  Earthquakes
  Natural Disasters
   
  

  Mid-ocean ridge

  A mid-ocean ridge or mid-oceanic ridge is an underwater mountain range, formed by plate tectonics. This uplifting of the ocean floor occurs when convection currents rise in the mantle beneath the ... > more
• Hazardous Waste
  Petroleum
  Pollution
  Water
  Oil Spills
  Energy and the Environment
   
  

  Methyl tert-butyl ether

  MTBE (methyl tertiary-butyl ether) is a chemical compound that is manufactured by the chemical reaction of methanol and isobutylene. MTBE is produced in very large quantities (more than 200,000 ... > more
• Climate
  Global Warming
  Renewable Energy
  Sports Science
  Petroleum
  Fossil Fuels
   
  

  Methane

  Methane is a significant and plentiful fuel which is the principal component of natural gas. Burning one molecule of methane in the presence of oxygen releases one molecule of CO2 (carbon dioxide) ... > more
• Chemistry
  Inorganic Chemistry
  Sports Science
  Weapons Technology
  Organic Chemistry
  Air Quality
   
  

  Fluorine

  Fluorine is the chemical element in the periodic table that has the symbol F and atomic number 9. Atomic fluorine is univalent and is the most chemically reactive and electronegative of all the ... > more
• Nature
  Ecology
  Ecology Research
  Endangered Plants
  Rainforests
  Forest
   
  

  Vegetation

  Vegetation is a general term for the plant life of a region; it refers to the ground cover provided by plants, and is, by far, the most abundant biotic element of the biosphere. Vegetation serves ... > more

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