Answer:
The artist has created unity by suggesting that all the figures are in the same architectural space, which frames them, and also through their gestures and attitudes. They are all actively talking, reading, or meditating. In addition, he has created diversity by employing a significant array of colors, as well as individual and distinctive postures and expressions.
Answer:
Hunter gatheres gathered food only and farming societies only farmed for food
Duke Ellington was one of the most celebrated jazz musicians of the 1920's. He was an American composer, pianist, and bandleader of a jazz orchestra. He led his orchestra from 1923 up until his death in 1974.
Now for some tips
1. Use a Full Range of value.
2. Use line Quality.
3. Stay consistent with Your style.
4. Know Your Medium.