• Entry
  • Reader's guide
  • Entries A-Z
  • Subject index

A world map showing Pangaea, how the present-day continents would have appeared approximately 240 million years ago, during the Triassic period. (Data courtesy of the National Oceanic and Atmospheric Administration [NOAA].)

Click here for ...

    • Loading...
    locked icon

    Sign in to access this content

    Get a 30 day FREE TRIAL

    • Watch videos from a variety of sources bringing classroom topics to life
    • Read modern, diverse business cases
    • Explore hundreds of books and reference titles