<span>close observation, especially of a suspected spy or criminal.</span>
No, a cover letter is not always a advertisement, so it could be true OR false. But based on your question, I'd say true.
Answer: what are the questions or to where
Explanation:
Answer:
A site which includes external links to reputable sources
Explanation:
A site with too little text may be trying to avoid the point, or perhaps they really don't know that much. A site with only a few sources listed may be unreliable since they could've just made up what they wrote with no evidence. A site with reputable sources would be the answer since a reputable source would not be indeed reputable without the validations of the people.