Science

11th -

12thgrade

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Planet Earth - Earth and Life Science

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15 questions

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  • 1. Multiple Choice
    20 seconds
    1 pt
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    How many percent of water comprises the Earth?

    20%

    70%

    50%

    45%

  • 2. Multiple Choice
    30 seconds
    1 pt
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    What makes planet Earth habitable?

    The atmosphere holds carbon dioxide and other gases.

    It has atmosphere that protects from radiation.

    It has comfortable distance from the sun.

    All of these.

  • 3. Multiple Choice
    30 seconds
    1 pt
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    What characteristics does the Earth have to maintain an organism’s body to survive?

    Earth has volcanic activities to circulate nutrients.

    Earth has sub-surface water or molten rock that can circulate and replenish nutrients for organisms.

    Earth has a water cycle and atmosphere.

    All of the these

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