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2.2: Looking Back - The Earth

  • Page ID
    15166
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    Assess your understanding of concepts related to this chapter section by answering the questions below before proceeding with this chapter.

    Exercise \(\PageIndex{1}\)

    What process was largely responsible for earth's early atmosphere?

    Answer

    Outgassing, the release of gasses through processes like volcanic venting.

    Define continent, sea, and ocean.

    Answer

    Continent, according to the 6-continent model it is large unbroken land mass completely surrounded by water. An ocean is a large body of salt water not enclosed by land. A sea is a large body of salt water partially enclosed by land.

    Draw and label generic diagrams of the ocean floor and the continental margins on a seperate piece of paper.

    Answer

    looking_back_earth_oceans_diagram.jpg

    Describe the shape of the Earth.

    Answer

    The shape of the earth is described as an oblate ellipsoid.

    Construct this table in your notes, fill it out, then compare it to the correct answers.

    seasons_table_535px.jpg

    Answer

    seasons_table_answers_535px.jpg


    This page titled 2.2: Looking Back - The Earth is shared under a CC BY-SA 4.0 license and was authored, remixed, and/or curated by Michael E. Ritter (The Physical Environment) via source content that was edited to the style and standards of the LibreTexts platform; a detailed edit history is available upon request.

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