Question

What is the best way to check the reliability and validity of a resource?

Answer 1

Right after they occurred, the terror attacks on September 11 were compared regularly to which historical event?

Answer 2

The best way to check the reliability and validity of a resource is : B. analyze the author's education and professional background

Not saying that author with high education and solid expertise in the subject is always 100 % correct. But most of the time, their resource is often found based on solid analytical evidence and high understanding.

hope this helps :3