Answer: Octave
Explanation: An interval that spans eight notes which is double the frequency is called an Octave.
Answer:
cave paintings
Explanation:
The earliest known visual art dates to the middle stone age in the form of a red ochre cave drawing: https://en.wikipedia.org/wiki/Prehistoric_art
Answer: The question is confusing, ask your teacher to brake it down for you.
Explanation:It always helps
The Colors Orange, Violet, and green are equally Spaced from each other on the Color Wheel, they are called (secondary) colors.