41 ! . write a 600 word report discussing nuclear reactors. the report should include a description of the way a reactor works and the theory behind nuclear reactions. be sure to answer these questions: what are breeder reactors? how are they different from regular nuclear reactors? what are their advantages and disadvantages? write your report in the essay box below.

Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time