Nature

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Across
  1. 1. The planet on which we live.
  2. 3. A slender woody shoot growing from a branch or stem of a tree or shrub.
  3. 5. Hard solid nonmetallic mineral matter of which rock is made, especially as a building material.
  4. 6. A natural substance with distinctive chemical and physical properties, composition, and atomic structure
  5. 9. A living thing that grows in the earth and has a stem, leaves, and roots.
  6. 10. Usually have numerous sepals, petals, stamens and pistils
  7. 13. One of the soft, fringed plumes that cover the bodies of birds.
  8. 15. The land and scenery of a rural area.
  9. 18. A living thing that can move and eat and react to the world through its senses.
  10. 19. The hard protective outer case of a mollusk or crustacean.
Down
  1. 2. A large natural stream of water flowing in a channel to the sea, a lake, or another such stream.
  2. 3. A woody perennial plant, typically having a single stem or trunk growing to a considerable height and bearing lateral branches at some distance from the ground.
  3. 4. A large natural elevation of the earth's surface rising abruptly from the surrounding level; a large steep hill.
  4. 7. A type of very small animal with six legs, a body divided into three parts and usually two pairs of wings, or, more generally, any similar very small animal
  5. 8. One of the green usually flat parts that grow from a stem or twig of a plant and that function mainly in making food by photosynthesis.
  6. 11. All the visible features of an area of countryside or land, often considered in terms of their aesthetic appeal.
  7. 12. The upper layer of earth in which plants grow, a black or dark brown material typically consisting of a mixture of organic remains, clay, and rock particles.
  8. 14. The invisible gaseous substance surrounding the earth, a mixture mainly of oxygen and nitrogen.
  9. 16. An area of open land, especially one planted with crops or pasture, typically bounded by hedges or fences.
  10. 17. Move downward, typically rapidly and freely without control, from a higher to a lower level.