Geography

• Atmosphere


  Layer of gases and tiny particles that surrounds Earth.
• Biosphere


  All living things on earth - including plants and animal life.
• Hydrosphere


  All solid, liquid and gaseous water found on earth.
• Lithosphere


  A solid layer of rock that forms earth's surface.
• Latitude (Equator)


  Angular distance of a place north or south of the Equator.

  
• Longitude (Prime Meridian)



  Angular distance of a place east and west of the Prime Meridian.