Which of the following is a major problem with using geothermal? a. it is not cost-effective b. it is not a readily available power source for all c. it generates more thermal pollution d. i will these are problems with geothermal energy usage

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.