ecology
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Renewable | A resource that is naturally replaced in a relatively short time
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| Solar energy | energy from the sun
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| Biomass fuel | made from things that were once alive
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| geothermal energy | heat energy in Earths interior from water or streams that had been heated by magma
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| Fuel | material such as coal, gas, or oil that is burned to produce heat or power
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| nonrenewable | a resource that forms at a rate that is much slower than then the rate in which it is being consumed
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| Fossil fuel | a nonrenewable energy resource formed from the remains of organisms that lived long ago
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| conservation | the action of conserving something, in particular
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| pollution | the presence in or introduction into the environment of a substance or thing that has harmful or poisonous effects
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| pollutant | a substance that pollutes something, especially water or the atmosphere
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| air pollution | the contamination of the atmosphere by the introduction of pollutants from humans or natural sources
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| water pollution | when a body of water is contaminated, mostly by human activities
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| contour plowing | plowing along the contours of the land in order to minimize soil erosion
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| windbreaks | a structure such as a row of trees or a fence, wall, or screen, that provides shelter or protection from the wind
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| conservation plowing | plowing depending on the direction of the land
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| conservation | the action of conserving something, in particular
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| pollution | the presence in or introduction into the environment of a substance or thing that has harmful or poisonous effects
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| pollutant | a substance that pollutes something, especially water or the atmosphere
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| air pollution | the contamination of the atmosphere by the introduction of pollutants from humans or natural sources
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| water pollution | when a body of water is contaminated, mostly by human activities
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| contour plowing | plowing along the contours of the land in order to minimize soil erosion
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| windbreaks | a structure such as a row of trees or a fence, wall, or screen, that provides shelter or protection from the wind
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| crop rotation | a system of farming in which a piece of land is planted with different crops in succession, in order to improve soil fertility and control crop pests and diseases
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| fallow | plowed and harrowed but left unsown for a period in order to restore its fertility as part of a crop rotation or to avoid surplus production
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Created by:
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