Which is an excerpt from the of a canyon an example of an ad hominem fallacy?
a. it is often stated that the dam and its reservoir have opened up to the many what was formally restricted to the few . .
b. defenders of the dam argue that the recreational benefits available . . outweigh the loss of indian ruins . .
c. lake powell, though not a lake, may well be as its defenders assert the most beautiful reservoir in the world.
d. this argument appeals to the wheelchair ethos of the wealthy, upper-middle-class american slob.