The fraction of nutrients responsible for the Gulf of Mexico hypoxic zone that are anthropogenic is:

Question

Quizplus · Accepted Answer

According to research by the National Oceanic and Atmospheric Administration (NOAA), approximately 70 percent of the nutrients responsible for creating the hypoxic zone in the Gulf of Mexico are attributable to anthropogenic sources such as fertilizer runoff from agriculture and wastewater from human activities. The remaining 30 percent comes from natural sources.

The Fraction of Nutrients Responsible for the Gulf of Mexico