Crossword puzzle

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Across
  1. 3. Conversion of rangeland, rain-fed cropland, or irrigated cropland to desertlike land
  2. 5. is made from fossilized biomass from 50:350 million years ago.
  3. 8. are diffused that are difficult to identify.
  4. 10. Partially decomposed organic plants and animal matter used as soil conditioner or fertilizer
  5. 13. are fertilizers which is named because they are supposed to be natural
  6. 16. a network of interconnected transmission lines that joins power plants together and links them with end users of electricity
  7. 18. Accumulation of salts in soil that can eventually make the soil unable to support plant growth
  8. 19. a form of soil degradation that occurs when soil remains under water for prolonged periods of time
Down
  1. 1. are fertilizers that are manufactured by humans by using chemical processes and fossil fuels
  2. 2. areas with soil submerged/saturated plants in water for at least part of the year.
  3. 4. A way of supplying water to an area of land
  4. 6. chemicals that interfere with endocrine or hormones producers in the body
  5. 7. is the lack of basic food and nutriousion ones
  6. 9. the lowest layer of earth atmosphere
  7. 11. Condition under which every person in a given area has daily access to enough nutritious food to have an active and healthy life.
  8. 12. when there are particles heavier than air and settle out of the atmosphere
  9. 14. found in paint and its neurotoxin and endocrine disrupter
  10. 15. is the layer that has the protective ozone layer
  11. 17. when many nutrients is being leaked in lakes and ocean causing low oxygen levels