Earth

3. a small stone made smooth and round by the action of water or sand.
7. a large natural elevation of the earth's surface rising abruptly.
8. the unit of reproduction capable of developing into another such plant.
10. a solid material which is typically hard, shiny, malleable, fusible, and ductile.
13. hard solid non-metallic mineral matter of which rock is made.
15. the reproductive structure found in flowering plants.
17. personal ornaments made from or contain jewels and precious metal.
18. a loose granular substance, typically pale yellowish brown.
19. a yellow precious metal.

1. an excavation in the earth for extracting coal or other minerals.
2. a steep rock face, especially at the edge of the sea.
3. a living organism of the kind exemplified by trees, shrubs, herbs, grasses, ferns, and mosses.
4. a large rock, typically one that has been worn smooth by erosion.
5. soft, sticky matter resulting from the mixing of earth and water.
6. a natural underground chamber in a hillside or cliff.
8. the upper layer of earth, a dark mixture of organic remains, clay, and rock particles.
9. a precious stone, especially one cut, polished, and used in a piece of jewellery.
11. the solid mineral forming part of the surface of the earth.
12. a flattened structure of a higher plant, typically green and blade-like.
13. an area of low-lying, uncultivated ground where water collects; a bog or marsh.
14. a waterless, desolate area of land with little or no vegetation, typically one covered with sand.
16. a woody perennial plant.
17. an area of land overgrown with dense forest and tangled vegetation, typically in the tropics.
19. vegetation consisting of typically short plants with long, narrow leaves.