The Oxford comma, also known as the serial comma, is an important punctuation mark used to separate items in a list. It helps to avoid confusion and ambiguity in written communication.

Learn how to write strong paragraphs by focusing on structure, content, and style. Use keywords and evidence to support your points and create a clear, concise argument.

The ultimate guide to paragraphs provides an in-depth look at how to structure and write effective paragraphs. Learn the key elements of a successful paragraph and how to use them to your advantage.