Earth

How much salt is in every gallon of seawater?

More Questions from Earth
A weather proverb says: "Clear moon," followed by what?
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What is the best definition of the term "rock"?
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What direction does a compass needle point to?
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Ruby and sapphire are gem forms of which mineral?
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Which tree can grow the tallest?
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What is a reason for the Earth's seasons?
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Where is the type location for the Permian Period?
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What layer of the Earth's atmosphere contains the ozone layer?
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