4. In a formal argument,what is the relationship between reasons and evidence? Reasons are given to back up the writer's evidence, which in turn proves the claim. Reasons explain why the claim is valid, and evidence backs up the reasons with facts. Reasons and evidence are different words for the explanations that back up a writer's claim. Reasons are logical explanations while evidence consists mainly of anecdotes to illustrate the writer's point.

## Step 1<br />In a formal argument, the relationship between reasons and evidence is that reasons explain why the claim is valid, and evidence backs up the reasons with facts. This is because reasons are the logical explanations that justify the claim, while evidence is the factual information that supports these explanations.<br /><br />## Step 2<br />Reasons are the logical explanations that justify the claim. They are the logical reasoning that supports the claim. They are the logical explanations that justify the claim.<br /><br />## Step 3<br />Evidence, on the other hand, is the factual information that supports these explanations. It is the concrete evidence that supports the reasons. It is the factual information that supports the reasons.<br /><br />## Step 4<br />Therefore, the correct answer is B: "Reasons explain why the claim is valid, and evidence backs up the reasons with facts."