| 1 | Plum blossoms have elegant shape and fragrance. | |
| 2 | These cells exhibit different forms and structures. | |
| 3 | Freezing is a change in the state of water at low temperatures. | |
| 4 | Bacteria can take the form of spheres, rods, or spirals. | |
| 5 | The form and color of crystals depend on the composition and structure of the material. |
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