Answer:
A subject is a person or thing that is being discussed, described, or dealt with.
A theme is the subject of a talk, a piece of writing, a person's thoughts, or an exhibition; a topic.
Explanation:
Subject is the topic of something or the main idea and theme is the lesson of a story(etc.) or what the speaker wants you to learn.
Because without paying brainly would have no money and I don't think they would have a platform I think. : )
