| Earth | Gems |
|---|---|
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What is geology, astronomy, oceanography, and meteorology?
The four main studies of Earth Science
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What is a diamond?
This gem is the hardest mineral on Earth.
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What is geology?
The Study of the Lithosphere
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Answer Depends
Your birth month and birthstone
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What is the crust?
This part of the earth that is solid rock and between 3 and 37 miles thick
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What is amber
This gem is formed from a fossilized substance called resin, which comes from trees
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What is oxygen?
The most abundant element in the Earth's crust.
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What is underneath mountains?
Where Earth's crust is the thickest
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