The answer would end up being B- Preservation involves chemicals, while while preservation uses special containers.
I believe the correct answer is B. smooth.
Jean-Auguste-Dominique Ingres was a French neoclassical
painter and the acknowledged leader of the neoclassical school in France. He
was a talented painter and draftsman known for his smooth textures in paintings
and drawings. The texture was so smooth that even appeared to be illusionistic.
