Earth
What type of scientist studies microscopic plants and animals?
More Questions from Earth
What periods of the Earth's history had glaciers covering a lot of the Earth?
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What is the trapping of the sun's solar energy and radiation called?
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What is the measure of the moisture level of air called?
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What is the Hawaiian name for smooth-flowing basaltic lava, often appearing twisted and rope-like?
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On October 11, 1999 the world population hit a milestone of how many?
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What word means "the shakes that come after the earthquakes"?
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