Answer:
the piece is subject or matter
Explanation because the artist had a lot of thinking to do with this one
Um... dig up the soil to form a small hole to put the seeds in, then put the seeds into the hole and cover it back up with the dirt, and water it at daily depending on what type of plant you have.
You can also use fertilizer to make the soil more fertile.
Well the artist David Hockney believed that Johannes Vermer and other used these devices such as the camera obscura to help them achieve their perceptive in achievement