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| Unit 9 |
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at one's disposal
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available to use
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creature
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animal
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defend
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protect
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ecosystem
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local environment (including the food chain and natural features)
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emit
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release; produce
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enemy
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opponent
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fierce
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powerful; aggressive
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layout
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arrangement; organization
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mineral
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naturally occurring, inorganic material (almost always solid)
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organ
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vital body part (ex: heart, lung, kidney)
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perception
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opinion; point of view
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spectacular
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amazing
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touch down
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land; set down
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vast
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very wide and spacious
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vessel
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boat
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