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Kristal: Chihuahuan Desert Nature Park
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Kristal: centipede
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Kristal: Field trip
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Kristal: lecture
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Kristal: cow
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Kristal: The Teachers
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Kristal: The cow.
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Kristal: The hole.
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Kristal: Hand in Cow
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Kristal: Could you do it?
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Kristal: Squeezing juice out of partially digested food.
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Kristal: Echo gives it a try.
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Kristal: Under the microscope.
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Kristal: Jon
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Kristal: Skulls
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Kristal: Jon
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Kristal: Chihuahuan Desert nature Park