Other Sciences

4th -

8thgrade

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A Fresh Future

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15 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt
    Image
    Of all the freshwater on Earth, what percent of it is actually accessible to us on the surface?
    less than one percent
    about three percent
    about thirty percent
    about fifty percent
  • 2. Multiple Choice
    30 seconds
    1 pt
    Image
    A group of parts that work together as a whole is called _____
    conservation
    a zone
    a niche
    a system
  • 3. Multiple Choice
    30 seconds
    1 pt
    Image
    Probably the biggest thing that humans do that negatively affects the hydrosphere is _____
    overharvesting
    polluting
    building dams
    removing dams
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