ow can you know if the person or organization providing the information has the credentials and knowledge to speak on this topic? One clue is the type of web site it is--the domain name ".gov" tells you that this is a government web site.

The answer to this question can be defined as follows:

Explanation:

In the question it is defined the given site is a government site because its domain is ".gov"  and all the gov website is a launching place for people can read about both the past of government, organizational principles, ethical standards, and data on elected politicians and other city employees. Its data is very relevant because it is based on the research that's why it is we know the data is credentials.