<span>c. Your school’s site
That is because it would be most accurate and contain the best info. A commercial and magazine are most likely used for advertisement, not general info. </span>
The Gobi desert is in northern China and southern Mongolia. The two countries the Gobi desert is in is China and Mongolia.
Outsourcing is to hire workers from an outside country for little cost due to the differences in exchange rates they make much less money in the currency of what the original workers do but they make more than they would if they were working at a business made in their country. Off shoring is to create a company over seas to use the smallest available cost.
I believe the answer is: a. to enhance credibility
Personal experience would give the readers with a certain level of assurance that the writers at least know what they are talking about.
For example, let's say that there are two authors of a self defense book. The first author has an experience as a president's bodyguard while the second author is a full time web designer. Most people would most likely see the first author as the more credible one.
Answer:
There is no substitute for hard work.
Be kind to others, and to yourself.
What you think about yourself, is sometimes more important than what others think of you.
You may not always be strong, but you should always be brave.