What three specific traits, in terms of art, do all five Ancient Near Eastern cultures (Sumeria, Akkadia, Assyria, Babylonia, and Persia) share?

This technology is used to produce high-quality documents that look good on the computer screen and in print. wiki presentation paint desktop publishing

In a response of approximately 50 words, explain why it would be essential for the successful a/v technician to participate in additional coursework, presentations and seminars offered by equipment manufacturers as well as annual conferences attended by colleagues in the industry.

Which of these is most responsible for differences between the twentieth century to the twenty-first century?