What can audio add to a presentation made up of images and diagrams?

first of all, dante wanted to write an account of the search for spiritual atonement and salvation, and this desire drew heavily from dante's own experiences. dante was living in exile while writing inferno and so, much like his poetic counterpart, he felt like he had lost his way and needed direction.

explanation:

if flooding were to go unchecked, steel support beams in buildings would rust.