Question

A student writes an essay about the causes of global warming. Several of the sources she cites to support her argument are written by Arnie Wallace. How can the reader best determine whether these sources are credible?

Answer 1

The reader can check the cites the student has listed and see if the information matches up/is credible. 

Answer 2

on apex I got "Research Wallace to see if he is an authority on global warming." It was the right answer, so I hope this helps you :)