this piece is an example of a. subject matter b. representational art c. impressionist art d. naturalistic art

Brief Explanations:

The painting depicts a natural - looking scene with detailed elements like trees and a waterfall, which is characteristic of naturalistic art. Representational art focuses on depicting recognizable objects, but naturalistic art specifically aims for a realistic portrayal of nature. Impressionist art is known for its loose brushstrokes and emphasis on light and atmosphere rather than detailed realism.

Answer:

d. naturalistic art