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  • Lesson 24 Vocabulary

      1.) geologythe study of the history of Earth as recorded in the rocks.

     2.) geologist – an expert (person) in the field of geology, the study of what the Earth is made of an how it was formed.

     3.) constructive a force that builds up

     4.) destructive – a force that breaks apart, destroys, or tears down

     5.) glacier – a very large area of ice that moves slowly over land that creates a u-shaped valley 

     6.) iceberg – a very large piece of ice floating in/on the ocean that detached from a glacier.

    7.) Pangea – the hypothetical landmass that existed when all continents were joined, from about 200 to 300 million years ago. ... (according to the theory of plate tectonics, it broke apart)