Question

What is a topic sentence in an academic paragraph? What is it's intended purpose? What do you think a "subject line" in a business letter is?

Answer 1

1. Used to identify the main idea of the paragraph

2. It's intended purpose is to show the main idea, and to have the details from the rest of the paragraph follow.

3. A subject line is the topic of the letter.

Step-by-step explanation:

A subject line in business is used to state the purpose of the letter while keeping it as short as possible.