Question

During the 1970s, areas of the bay were found to have low levels of oxygen and could not support life. What was the cause of this problem?

Answer 1

the cause of this problem was that there was not anofe plants to release oxygen and not anofe plants to take in carbon. 

Answer 2

High levels of nitrogen and phosphorus from agricultural runoff, sewage, and industrial pollution were flowing into the bay.

Step-by-step explanation:

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