CE0041: Intro to Engineering Geology
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Questions and Answers

What percentage of the Earth's surface is covered by oceans?

  • 90%
  • 71% (correct)
  • 50%
  • 80%

    • What is the main component of the Earth's atmosphere?

  • Carbon dioxide
  • Oxygen
  • Water vapor
  • Nitrogen (correct)

    • What is the process by which one rock type changes to another?

  • Rock cycle (correct)
  • Weathering
  • Plate Tectonics
  • Erosion

    • What is the main driving force behind the evolution of species?

    <p>Natural selection</p> Signup and view all the answers

    What is the term for the region of the Earth where all life exists?

    <p>Biosphere</p> Signup and view all the answers

    What percentage of the Earth's water is freshwater?

    <p>3%</p> Signup and view all the answers

    What is the main focus of the science of Geology?

    <p>Understanding the formation, structure, and behavior of rocks, minerals, soils, and subsurface water</p> Signup and view all the answers

    What is one of the ways Geology is related to our everyday life?

    <p>Guiding the use of natural resources</p> Signup and view all the answers

    What is the name of the field of study that examines the materials composing Earth and seeks to understand the processes that operate beneath and upon its surface?

    <p>Physical Geology</p> Signup and view all the answers

    What is the term used to describe the Earth due to its unique feature of supporting life?

    <p>The Lonely Planet</p> Signup and view all the answers

    What is the component of the Earth system that refers to the solid Earth or rock?

    <p>Geosphere</p> Signup and view all the answers

    What disciplines does Geology incorporate principles from?

    <p>Physics, chemistry, biology, and engineering</p> Signup and view all the answers

    What is the primary source of power that drives internal processes on Earth?

    <p>Heat generated continuously by radioactive decay</p> Signup and view all the answers

    What is the average elevation of continents above mean sea level?

    <p>2,750 feet</p> Signup and view all the answers

    What is the characteristic that distinguishes continental crust from oceanic crust?

    <p>Chemical composition</p> Signup and view all the answers

    What is the average thickness of oceanic crust?

    <p>7 km</p> Signup and view all the answers

    What is the term used to describe rocks high in magnesium and iron?

    <p>Mafic</p> Signup and view all the answers

    What is the center of the Earth composed of?

    <p>Iron-nickel alloy</p> Signup and view all the answers

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