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The zone in the Gulf of Mexico that has significantly decreased levels of dissolved oxygen due to excessive nutrient transport down the Mississippi River is known as a(n) _____________ zone.

a) Repoxic
b) Hypoxic
c) Aeroxic
d) Ecoli
e) Billharzia

User Tanya
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1 Answer

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B. hypoxic
hope that helped
User Alacy
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