The Gulf of Mexico has several "Dead Zones," in which very few organisms or signs of life exist. Several research teams are interested in finding the pollution source that causes the Dead Zones. Which team would be the least likely to show bias? A) researchers employed by oil companies

Bresearchers employed by power plants along the coast

Cresearchers employed by the Environmental Protection Agency

Dresearchers employed by farmers and landscapers along the Mississipi River