Janel brushed her teeth regularly, but she was still apprehensive about visiting the dentist. use context clues to select the correct meaning of the underlined word. worried careful confident dutiful

5. the following question refers to the four selections by albert einstein: these readings show that, between 1939 and 1952, einstein a) abandoned science and turned to political activism. b) revised his opinions about the need for nuclear weapons. c) worked tirelessly to abolish nuclear weapons. d) devoted himself solely to scientific research.