The statement that describes a sound reason used to support a claim is: "Sound reasons are grounded in fact."
The statement that describes a sound reason used to support a claim is: "Sound reasons are grounded in fact." A sound reason is one that is based on evidence, data, or information that supports the claim being made. It relies on factual information rather than emotions, fancy language, or personal opinion. To provide sound reasons to support a claim, it is important to gather relevant facts, statistics, expert opinions, or research findings that strengthen the argument being made.