"spent" nuclear fuel rods come out of a reactor and need to be handled carefully. why must power plants spend so much money and be so cautious in dealing with these materials? a) spent nuclear fuel is very fragile and can shatter easily and damage equipment. eliminate b) spent nuclear fuel is highly unstable, and likely to explode without precautions. c) spent nuclear fuel is highly radioactive and can damage organisms and the environment. d) spent nuclear fuel is very expensive, and some people desire to take some and profit from it.

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 !