Earth

How old is the earth?

More Questions from Earth
What type of fault is the San Andreas Fault?
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What is a Herkimer diamond?
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What imaginary line divides the Earth's northern and southern hemispheres?
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What type of scientist studies microscopic plants and animals?
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What produces more energy than all the world's nuclear weapons combined?
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Which of these is a way to curb human pollution?
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What term describes the overflowing of rivers or streams?
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If the beach loses 3 feet of sand each year, how many feet will it lose in 15 years?
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