Environmental Issues & Conserving Land
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Environmental Issues & Conserving Land
16
natural resource : Anything in the environment that is used by people.
renewable resource : A resource that is either always available or is naturally replaced in a relatively short time.
nonrenewable resource : A natural resource that is not replaced in a useful time frame.
pollution : Contamination of land, water, or air.
environmental science : The study of the natural processes that occur in the environment and how humans can affect them.
development : The construction of buildings, roads, bridges, dams, and other structures.
litter : The layer of dead leaves and grass on top of the soil.
topsoil : An upper layer of soil consisting of rock fragments, nutrients, water, air, and decaying plant and animal matter.
subsoil : The layer of soil below topsoil that has less plant and animal matter than topsoil.
bedrock : Rock that makes up Earth's crust.
erosion : The process by which water, wind, or ice moves particles of rock or soil.
nutrient depletion : The situation that arises when more soil nutrients are used than the decomposers can supply.
fertilizer : A substance that provides nutrients to help crops grow better.
desertification : The advance of desert-like conditions into areas that previously were fertile.
drought : A period of less rain than normal.
land reclamation : The process of restoring land to a more natural state.
Environmental Issues & Conserving Land
Across:2. | A natural resource that is not replaced in a useful time frame. | 5. | Anything in the environment that is used by people. | 9. | A resource that is either always available or is naturally replaced in a relatively short time. | 10. | The process by which water, wind, or ice moves particles of rock or soil. | 11. | The layer of dead leaves and grass on top of the soil. | 12. | An upper layer of soil consisting of rock fragments, nutrients, water, air, and decaying plant and animal matter. | 15. | The process of restoring land to a more natural state. | 16. | Contamination of land, water, or air. |
| | Down:1. | A period of less rain than normal. | 3. | Rock that makes up Earth's crust. | 4. | The study of the natural processes that occur in the environment and how humans can affect them. | 6. | A substance that provides nutrients to help crops grow better. | 7. | The advance of desert-like conditions into areas that previously were fertile. | 8. | The situation that arises when more soil nutrients are used than the decomposers can supply. | 13. | The layer of soil below topsoil that has less plant and animal matter than topsoil. | 14. | The construction of buildings, roads, bridges, dams, and other structures. |
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© 2013
PuzzleFast.com, Noncommercial Use Only
Environmental Issues & Conserving Land
Across:2. | A natural resource that is not replaced in a useful time frame. | 5. | Anything in the environment that is used by people. | 9. | A resource that is either always available or is naturally replaced in a relatively short time. | 10. | The process by which water, wind, or ice moves particles of rock or soil. | 11. | The layer of dead leaves and grass on top of the soil. | 12. | An upper layer of soil consisting of rock fragments, nutrients, water, air, and decaying plant and animal matter. | 15. | The process of restoring land to a more natural state. | 16. | Contamination of land, water, or air. |
| | Down:1. | A period of less rain than normal. | 3. | Rock that makes up Earth's crust. | 4. | The study of the natural processes that occur in the environment and how humans can affect them. | 6. | A substance that provides nutrients to help crops grow better. | 7. | The advance of desert-like conditions into areas that previously were fertile. | 8. | The situation that arises when more soil nutrients are used than the decomposers can supply. | 13. | The layer of soil below topsoil that has less plant and animal matter than topsoil. | 14. | The construction of buildings, roads, bridges, dams, and other structures. |
| |
© 2013
PuzzleFast.com, Noncommercial Use Only