FORESTRY
ECOLOGY AND ENVIRONMENT
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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In landfills, leachate means ____
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A toxic, liquid substance created when water filters through waste materials at a landfill and leaches out, or extracts, toxic substances from them.
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trash on top of the ground
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chemicals in the air at landfills
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None of the above
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Explanation:
Detailed explanation-1: -Inorganic pollutants found in leachates are ammonium, phosphorous, sulphate and heavy metals. Volatile fatty acids are majorly present in young leachates and tend to decrease gradually in aged landfills. Humic acids and fulvic acids are also commonly present in old landfills and leachate plumes.
Detailed explanation-2: -Explanation: Leachate is a liquid that passes through solid waste and extracts suspended impurities from it.
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