Review each source below, and ask yourself the following about each source:
1- What is this source about? What did they study/research?
2- Where is the information coming from? How did they study/research it?
3- What is the result? What did they find from their research?
Also, discuss the Pros/cons of each source. Summarize your thoughts about how each source presents EVIDENCE about the problem (hint, you first have to know what the problem is).
Attachment:- Source.rar