The statement about using evidence in persuasive and expository writing that is true is;
According to this question, we are to discuss about usage of evidence in persuasive and expository writing.
As a result if this we can see that ,usage of evidence helps us to show readers your line of thinking and give more details about the subject.
Therefore, in expository writing , You need to include explanation of this evidence to show readers your line of thinking.
Learn more about expository writing at;
https://brainly.com/question/22823225