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The earth

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The earth

  1. 1. Description of the Earth Shape and size Layers Movements
  2. 2. The Earth•Is the third planet of the solar system•Is the sixth largest planet of the solar systemThe Earth is not a perfect sphere•The equator circumference is about 24,901.55 miles•The north pole is dilated 10 meters•The equator is 27km wide.
  3. 3. The Earths Orbit: Thecircumference of the orbit isapproximately 938,900,000. TheEarth travels along thiscircumference at a speed of106,000 kilometers per hour.
  4. 4. The Earths rotationRotates on its axisIt takes 24 hours.
  5. 5. Stratigraphy, in geology, the study of rocklayers, or strata, particularly their ages,compositions, and relationships to otherrock layers. Stratigraphy providesgeologists with clues about the earth’spast. Stratigraphy also allows geologists topredict what types of rocks lie below theground and to understand geologicprocesses. Consequently, most geologistsregularly use basic elements ofstratigraphy in their work. n
  6. 6. Origins of Earthquakes
  7. 7. Origins of Volcanic Eruptions

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