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10 Cards in this Set
- Front
- Back
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what is the largest continent?
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Asia
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what is the only "doube continent"?
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Eurasia
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what is the largest river in the U.S?
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Mississippi river
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this is the"gateway to the west"
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Ohio River
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this region is known for grasslands
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great plains
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which region has the continental divide?
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Rocky Mts.
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what forms a border with mexico?
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Rio Grande river
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which river was explored by lewis and clark?
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Columbia river
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which region has the oldest rock formations?
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The Canadian Shield
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What served as transport routes to mexico for the french and sapnish?
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The gulf of mexico
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