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C9, UNIT 3, LESSON B
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What's this?
mountain
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Okay!
What's this?
coast
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Okay!
What's this?
volcano
Oops!
Okay!
What's this?
glacier
Oops!
Okay!
What's this?
ocean
Oops!
Okay!
What's this?
island
Oops!
Okay!
What's this?
archipelago
Oops!
Okay!
What's this?
desert
Oops!
Okay!
What's this?
river
Oops!
Okay!
What's this?
lake
Oops!
Okay!
What's this?
rain forest
Oops!
Okay!
What's this?
reef
Oops!
Okay!
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