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Definition
| the top layer of soil that consists of dead leaves and grass |
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Term
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Definition
| mixture of rock fragments, nutrients, water, air, and decaying animal and plant matter |
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Term
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Definition
| contains rock fragments, water, and air, but less animal and plant matter |
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Definition
| rock that makes up Earth's crust |
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Term
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Definition
| the process by which water, wind, or ice moves particles of rock or soil. |
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Term
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Definition
| when the soil becomes less fertile |
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Term
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Definition
| include nutrients that may help crops grow |
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Term
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Definition
| the advance of desert like conditions into areas that were previously fertile |
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Term
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Definition
| a period when less rain than normal falls in an area |
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Term
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Definition
| the process of restoring land to a more productive state |
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Term
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Definition
| waste produced in homes, businesses, schools, and the community |
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Term
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Definition
| the burning of solid waste |
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Term
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Definition
| any substance that causes pollution |
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Term
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Definition
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Term
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Definition
| holds municipal solid waste, construction debris, and some types of agricultural and industrial waste |
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Term
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Definition
| the process of reclaiming raw materials and reusing them to create new products |
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Term
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Definition
| materials that can be broken down and recycled by bacteria and other decomposers |
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Term
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Definition
| and materials harmful to human health or the environment |
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Term
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Definition
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Term
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Definition
| a thick, brownish haze formed when certain gases in the air react with sunlight |
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Term
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Definition
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Term
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Definition
| a layer of warm air prevents the rising air from escaping |
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Term
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Definition
| precipitation that is more acidic than normal because of air pollution |
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Term
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Definition
| colorless, odorless gas that is radioactive |
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Term
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Definition
| a layer of the upper atmosphere about 15-30 km above Earth's surface |
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Term
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Definition
| human made gases that contain chlorine and fluorine |
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Term
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Definition
| water stored in soil and rock beneath Earth's surface |
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Term
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Definition
| chemicals that kill crop-destroying organisms |
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Term
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Definition
| water and human wastes that are washed down sinks, showers, and toilets |
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Term
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Definition
| particles of rock and sand |
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Term
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Definition
| a lump on the ocean floor that forms when metals build up around pieces of shell |
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Term
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Definition
| the movement of cold water upward from the deep ocean |
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