Nature and Life Conservation

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Across
  1. 4. Resources that replenish over time
  2. 5. The variety of life on Earth
  3. 6. The action of planting trees on an area of land that has become devoid of trees
Down
  1. 1. The air, water, and land in or on which people, animals, and plants live:
  2. 2. A facility where animals are brought to live and be protected for the rest of their lives
  3. 3. The process of collecting and processing waste materials into new products