Question

Round brushes may have a core that is made of any of the following EXCEPT:

a) wood
b) metal
c) plastic
d) leather

Answer 1

Round brushes may have a core made of wood, metal, or plastic, but leather is not a common material used for the core.

Step-by-step explanation:

Round brushes are commonly used in traditional Chinese painting, calligraphy, and other forms of art. The brushes typically have a core made of wood, metal, or plastic. However, it is highly unlikely to find a round brush with a core made of leather.