which of the following mediums is made from a mix of carbon and clay?\na. charcoal\nc. pencil\nb. chalk\nd…

Brief Explanations:

Charcoal is made from burnt organic materials and not a mix of carbon and clay. Chalk is a form of limestone, mainly calcium carbonate. Silverpoint uses a silver - tipped tool on a prepared ground. Pencil lead is made from a mixture of graphite (a form of carbon) and clay to vary its hardness and darkness.

Answer:

c. pencil