One potential benefit to using genetically modified foods a) the improved yields of crops b) the release of unwanted genes to other plants or animals c) their growth in mono-culture will reduce biodiversity in an area d) unknown effects on the ecosystem into which they are released

Which of the following statements best distinguishes a hypothesis from a theory? a. theories are hypotheses that have been proved. b.hypotheses are guesses; theories are correct answers c. hypotheses usually are relatively narrow in scope; theories have broad explanatory power. d. theories are proved to be true; hypotheses are often contradicted by experimental results.