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Drainage basin
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Interstellar cloud
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Staphylococcus aureus
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Diffuse pollution
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Basal cell carcinoma
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Relatively prime numbers
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Lake Titicaca
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Renewable energy
-
Coordination number
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Exothermicity
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3G
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Ariel
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CDDB
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Vapour barrier
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Gravity
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Okra
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Solar sail
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Compound eye
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African longfin eel
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Electronic signature
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Angular size
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Simplex
-
Flocking
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Annual parallax
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Pollen
-
Cotyledon
-
Earth Summit
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Crystalline facies
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xDSL
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Long distance