Plz help with my questions What dose Matthew grow in his piece Life cycles?

1. Radishes
2. Carrots
3. Potatoes
4. Beats

Volume has tree dominions?
1. Pounds, inches, and feet
2. Weight, height and surface
3. 2D,3D and 4D
4. Length, Width and height

Where is the best way to make art that illustrates the use of space
1. Printmaking
2. Sight specific
3. Photography
4. Painting