“Some people scoff at the ‘certified organic’ label in the supermarket and the higher price tag that goes along with it. But a close examination will show that the slightly higher prices for organic produce are worth paying. Organically grown produce is healthier than conventionally grown produce. Artificially pesticides and fertilizers, along with genetically modified organisms are not used in organic produce, but are allowed in conventional produce. Additionally, organic produce has been proven to contain more antioxidants than conventional produce.” Which of the following subjects will be compared in the rest of the passage?

a. Organic produce and conventional produce

b. Artificial fertilizers and natural fertilizers

c. Genetically modified organisms and natural occurring organisms

d. Artificial pesticides and natural pesticides