which of the following mediums is made from a mix of carbon and clay? a. charcoal b. chalk c. pencil d…

which of the following mediums is made from a mix of carbon and clay? a. charcoal b. chalk c. pencil d. silverpoint please select the best answer from the choices provided
Answer
Brief Explanations:
Pencil 'lead' is made from a mixture of graphite (a form of carbon) and clay. The ratio of carbon to clay determines the hardness and darkness of the pencil mark. Charcoal is mainly carbon from burned wood. Chalk is a form of limestone. Silverpoint uses a silver - tipped stylus.
Answer:
C. pencil