Question

question 2
a technique where water - based paint is applied to a dry plaster wall.
fresco secco
buon fresco
gouache
encaustic

Explanation:

Fresco secco is the mural technique that uses water-based paint applied to dry plaster. Buon fresco uses wet plaster, gouache is an opaque watercolor for paper, and encaustic uses heated wax-based paint.

Answer:

A. Fresco secco