How do you use the appearance/diameter of the zone of inhibition around an antibiotic disc to determine how effective the antibiotic is?

Which type of neuroglia is found outside of the brain?

Does all the energy stored by the phytoplankton reach the top level of the pyramid

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.