Question

Which type of logical fallacy does Edward Abbey use in the following portion of "The Damnation of a Canyon"?

Answer 1

Eventually, as is already sometimes the case at Lake Mead, the stagnant waters will become too foul even for swimming. The trouble is that while some boats have what are called "self–contained" heads, the majority do not; most sewage is disposed of by simply pumping it into the water. It will take a while, but long before it becomes a solid mass of mud Lake Powell ("Jewel of the Colorado") will enjoy a passing fame as the biggest sewage lagoon in the American Southwest.
A. Non sequitur
B. Ad hominem
C. Slippery slope
D. Post hoc ergo propter hoc

Answer 2

Question 1 2 3 4 5 6 7 8 9 10
Correct Y Y Y N Y N N N N Y
Points Earned 2 2 2 0 2 0 0 0 0 2

Question 11 12 13 14 15 16 17 18 19 20
Correct N N N N Y Y N N N N
Points Earned 0 0 0 0 2 2 0 0 0 0

Question 21 22 23 24 25
Correct Y N N N N