simple subjects

123456789101112
Across
  1. 3. The soil provides crops with valuable nutrients.
  2. 6. Many kinds of bacteria change the environment.
  3. 7. Do plants sprout easily in the regions?
  4. 9. Careful people preserve natural ressources.
  5. 10. Scientists control changes in the environment.
  6. 12. The production of clean timber takes several years.
Down
  1. 1. A beautiful, colorful owl walked towards us.
  2. 2. Can the rain forest be saved?
  3. 4. The office manager unlocked the door.
  4. 5. Growers of trees divide the forest into several sections.
  5. 6. Here is a book about ecology.
  6. 8. There are more than three dogs in the house.
  7. 11. A temperate climate always helps.