Following the Deepwater Horizon accident in the Gulf of Mexico in 2010, bioremediation was used to eliminate much of the oil from the contaminated water. To encourage the growth of oil-degrading microbes, "fertilizer" including iron and nitrogen was added to the water. Which of the following
Statements regarding the growth of these microbes is incorrect?

Question

Quizplus · Accepted Answer

Iron is considered a micronutrient, not a macronutrient, for microbes. Macronutrients are required in large amounts and include elements like carbon, nitrogen, and phosphorus. Iron, while essential, is needed in much smaller quantities.

Following the Deepwater Horizon Accident in the Gulf of Mexico