Environment

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Across
  1. 1. The main purifier and source of oxygen on Earth
  2. 4. The main problem in the world today
  3. 6. As a result of everyday life people produce a lot of ...
  4. 9. Products and packaging that do not harm nature and decompose quickly are called...
  5. 10. ...(ing) trees. In this way, people can replenish the number of trees on Earth.
Down
  1. 2. Old things turn into new things
  2. 3. oil release to he environment
  3. 5. Forest cutting
  4. 7. Earth mixture used in horticulture.
  5. 8. Sedimentary loose rock, which is used as a fuel mineral. Formed by the accumulation of moss residues, subjected to incomplete decomposition in swamps.