No matter what the conclusions are that the author presents, ...

[Tazate]

No matter what the conclusions are that the author presents,
 
  a. they must all be facts that can be verified.
  b. they must include testimony by well-known experts on the subject.
  c. they must be supported by documented sound evidence and reasons.

Question 2

The difference between facts and opinions is that
 
  a. facts are true, so they are the only things that can be used as evidence.
  b. facts are true, and opinions are interpretations of the facts, but both can be used as
  evidence.
  c. since facts are true, they don't need to be debated, so opinions are the only things that
  should be used as evidence.

[scottmt]

Answer to Question 1

c

Answer to Question 2

b

[Tazate]

Excellent

[jackie]

TYSM