Value, because the leaf seems very valuable.
Negative Space, as it is a big empty area.
Rule of Thirds, as the sticks line up to create a 3x3 grid.
Portrait in natural side lighting, as the groundhog hole is in natural lighting.
Fast Shutter Speed, as it shuttered fast enough to catch him moving but not the others.
Close-Up, as it is a close up of the gatorade cap, with macros on.
Balance, because the rocks are balanced.
Emphasis, as there is a white flower on green background.
Framing, as the water bottles are in a "frame" made by the hole in the can.
Silhouette, as the legs are silhouetted against the sun.
Depth of Field, because it is like a field of tables.
Line, because it is a line.
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Baseline- Intro to Photo

These photos best represent... :

1. Value
2. Negative Space
3. Rule of Thirds
4. Portrait in natural side lighting
5. Fast shutter speed
6. Close-up
7. Balance
8. Emphasis
9. Framing
10. Silhouette
11. Depth of Field
12. Line