Answer:
1. Crescent represents the waxing 1st quarter lunar phase
2. Clustering, which is to lump together
3. hand-tied arrangements include only one or two floral materials.
4. Terracing, due it resemles a series of steps
5. Ikebana: the formal and strick Japanese style
6. A. Designers have more opportunities with contemporary designs.
7. Sequencing honors the basics
8. Grouping, per continuity sake
9. Terracing which achieves depth
10. rocky creek bed, which mimics riparian areas
