A What Causes The Formation Of The Epilimnion Hypolimnion And

a. What causes the formation of the epilimnion, hypolimnion, and thermocline? Explain why many largely populated fisheries are located in areas of the ocean where these layers are mixed by strong currents.
b. In the 1970s, Lake Erie became known as the “Dead Sea of North America.” It was found that local industries, farms, and households all contributed to the loss of life in this Great Lake. Explain the microbial process that occurred in Lake Erie. What biogeochemical cycle was involved and how was this lake brought back to life?

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