Volcano Articles

• Atmosphere
  Air Quality
  Air Pollution
  Climate
  Geochemistry
  Environmental Issues
   
  

  Earth's atmosphere

  Earth's atmosphere is a layer of gases surrounding the planet Earth and retained by the Earth's gravity. It contains roughly 78% nitrogen and 21% oxygen 0.97% argon and carbon dioxide 0.04% trace ... > more
• Water
  Oceanography
  Marine Biology
  Ecosystems
  Fish
  Geography
   
  

  Seawater

  Seawater is water from a sea or ocean. On average, seawater in the world's oceans has a salinity of approximately 3.5%, or 35 parts per thousand. This means that for every 1 litre (1000 mL) of ... > more
• Ancient Civilizations
  Volcanoes
  Archaeology
  Lost Treasures
  Natural Disasters
  Cultures
   
  

  Pompeii

  Pompeii is a ruined Roman city near modern Naples in the Italian region of Campania, in the territory of the commune of Pompei. It was destroyed during a catastrophic eruption of the volcano Mount ... > more
• Ice Ages
  Global Warming
  Early Climate
  Climate
  Snow and Avalanches
  Geography
   
  

  Little Ice Age

  The Little Ice Age (LIA) was a period of cooling lasting approximately from the 14th to the mid-19th centuries, although there is no generally agreed start or end date: some confine the period to ... > more
• Water
  Geography
  Ecosystems
  Global Warming
  Ecology
  Floods
   
  

  Lake

  A lake is a body of water or other liquid of considerable size surrounded entirely by land. A vast majority of lakes on Earth are fresh water, and most lie in the Northern Hemisphere at higher ... > more
• Geography
  Earthquakes
  Oceanography
  Geology
  Natural Disasters
  Tsunamis
   
  

  Oceanic trench

  The oceanic trenches are hemispheric-scale long but narrow topographic depressions of the sea floor. They also are the deepest parts of the ocean floor. Trenches define one of the most important ... > more
• Acid Rain
  Food Additives
  Air Quality
  Dietary Supplement
  Air Pollution
  Healthy Aging
   
  

  Sulfur dioxide

  Sulfur dioxide (also sulphur dioxide, sulfurous anhydride or sulphurous anhydride) has the chemical formula SO2. The gas is irritating to the lungs and is frequently described as smelling of burning ... > more
• Grassland
  Animals
  Wild Animals
  New Species
  Dogs
  Agriculture and Food
   
  

  Rabbit

  Rabbits are small mammals in the family Leporidae, found in many parts of the world. They are sometimes affectionately known as bunnies, especially by children. There are seven different genera in ... > more
• Civil Engineering
  Geology
  Earthquakes
  Engineering
  Natural Disasters
  Energy Technology
   

  Engineering geology

  Engineering Geology is the application of the science of geology to the understanding of geologic phenomena and the engineering solution of geologic hazards and other geologic problems for ... > more
• Geography
  Geology
  Earthquakes
  Natural Disasters
  Earth Science
  Hurricanes and Cyclones
   
  

  Orogeny

  Orogeny is the process of mountain building, and may be studied as a tectonic structural event, as a geographical event and a chronological event, in that orogenic events cause distinctive structural ... > more

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