Read this excerpt from a passage and the works cited entry for the source listed below the excerpt. "Bill Richardson, a rancher that lives in the area that has been affected by the frequent earthquakes does not believe that they are a result of man-made causes. "The thing is he states-oil and gas production are a big part of our economy, and I believe we are under attack bylpeople who want to change that.So they made up this story about oil and gas drilling and fracking being the main cause of these earthquakes." Richardson, Bill. Personal interview. 5 Sep. 2016. Is this source credible or not credible, and why or why not? This person is not a credible source because he is not an expert in the subject and expresses an unfounded opinion. This person is a credible source because he provides eyewitness testimony and has experienced the subject in question. The person is a credible source because he has a valid viewpoint that should be included in the passage. This person is not a credible source because he has not experienced an earthquake.

## Step 1<br />The credibility of a source is determined by several factors, including the expertise of the person providing the information, the context in which the information is provided, and the potential bias of the person.<br /><br />## Step 2<br />In this case, the source is Bill Richardson, a rancher who has experienced the earthquakes in question. This means he has firsthand experience with the subject matter, which can make his testimony valuable.<br /><br />## Step 3<br />However, the credibility of his testimony is also dependent on his expertise in the subject matter. As a rancher, he may not have the necessary scientific background to accurately assess the causes of earthquakes.<br /><br />## Step 4<br />Furthermore, his statement that the earthquakes are not caused by human activities but are instead a result of an attack on the oil and gas industry suggests a potential bias. This bias could affect the objectivity of his testimony.<br /><br />## Step 5<br />Considering these factors, the most accurate assessment of the credibility of this source is that it is not credible. This is because the person is not an expert in the subject and expresses an unfounded opinion.