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
sure i'll give you another one
have a berry this time
Answer: C. Before beginning the engraving, the artist must apply a thin layer of acid to the metal surface on which the engraving will be done.
sorry I didn't about it
any other help
