Apolice car with a fixed-frequency siren drives straight toward you. it slows down gradually and stops right next to you. as the car is slowing down, what do you hear happening to the frequency and the loudness of the siren?

Which lists correctly orders nuclear reactions from most radioactive waste generated to least waste generated within a given period of time? o a. radioactive decay, nuclear fission, nuclear fusion o b. radioactive decay, nuclear fusion, nuclear fission o c. nuclear fusion, nuclear fission, radioactive decay o d. nuclear fission, nuclear fusion, radioactive decay