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Fish breathe using gills.
Hence the keyed answer is Gills.
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Diabetes is a disorder of carbohydrate metabolism.
So the correct answer is Metabolism.
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Storage, power and flood control โ all of the above.
So the correct answer is All of the above.
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Horizontal transport of heat/air is advection.
Hence the keyed answer is Advection.
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Salinity is commonly stated per 1 kg of seawater (e.g. g/kg or ppt).
So the keyed answer is 1 kg.
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Bulk air movement transferring heat is convection.
So the correct answer is Convection.
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