Which type of media can use both audio and visual elements

The correct answer is: Television. It is the type of media which uses both, audio and visual elements.

Television is the audiovisual medium par excellence. Unlike other media its content uses both sound and visuals which make of this medium  a special one because such characters allow us to recreate images in our minds feeling involved.

Explanation:

The main idea in any writing is to identify what you have questioned & answered.

consequent paragraphs need to maintain the reader's interest and remind the reader what the subject matter or main idea of your writing.