What does 304 mean i heard my friend get called it

Which statement about sculptures depicting humans made in ancient egypt, greece, and the roman empire is true? question options: they had arms and legs that didn't protrude so the sculptures would last an eternity. they could be made using formulas, could show ideal beauty, or could be realistic. they showed the common man. they were made using bronze.

What are possible sources a hair designer might use for inspirations

How did ferren learn about engineering, if not in school? how might this have been similar to how the ancient cultures learned engineering?