Which of the following is a risk associated with the application of biotechnology? a. decreased pesticide use b. decreased erosion c. increased agricultural yield d. potential for the exchange of genetic material

If you look at the options, the first three are not best described as "risks" because they are actually positive effects, only the last one is negative.

And it is true!

biotechnology carries with it the danger that the genetically modified crops will spread and potentially overtake the other plants - the answer is d)