Which one of the following statements is accurate?
a. electron microscopes focus beams of light using magnetic fields.
b. false colors are added to images to make some structures more noticeable.
c. compound light microscopes utilize lenses and beams of electrons to produce images.
d. electronmicroscopes are tools used to study living organisms when they're alive.

Scientists are conducting a study on the effectiveness of a new drug on memory loss. they are giving some of the test subjects the new drug to find out if it improves their long-term memory. which are possible limitations of this study? check all that apply. a) test subjects may want to participate in additional experiments. b) test subjects may think they should be paid more. c) test subjects may get bored and want to quit early. d) test subjects may have to travel during the experiment. e) test subjects may have full-time jobs. this is multiple choice. you for the !