How long has Montag been a fireman?

Which statement best describes the authors use of a claim and a counterclaim in the passage

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.

Has led many to wonder if being a vegan is both healthy and sustainable for the long term. "vegans get 100% of their daily protein needs from such foods as soy derivatives, bulgur wheat, lentils, nuts, and beans," says mikel rollah, director of veganism now! many opponents of veganism claim that the vegan diet lacks protein, but this is simply not true. what is wrong with the quotation in this example?