Earth
Ruby and sapphire are gem forms of which mineral?
More Questions from Earth
What is the federal weather agency in Canada called?
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What theory proposes that Earth's landmasses were once connected and drifted apart?
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What happens to the pressure of water as depth under the water increases?
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Which object is a remnant of a lightning bolt striking a sandy beach?
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What is the name for snow crystals that melt and refreeze into granular particles on glaciers?
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The coldest recorded temperature on Earth, -128 degrees F., was taken where?
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