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