Answer:
Option: B. Charcoal
Explanation:
Charcoal is carbon that the prehistoric people used in drawing in the wall of the caves. Charcoal was easy to get by only burning woods and other organic materials. In the field of art, charcoal performs an essential role in drawing and for preparing the art before painting with colors during the 15th century. The Niaux Cave in France is one of the caves where drawing done by charcoal is present.
