BIOLOGY IN HUMAN WELFARE
HUMAN HEALTH AND DISEASE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A liquid that has passed through com-seeps solid waste in a landfill
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A gas that has passed through com-seeps solid waste in a landfill
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A solid that has passed through com-seeps solid waste in a landfill
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A chemical that has passed through com-seeps solid waste in a landfill
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Detailed explanation-1: -Definition. Leachate-formed when rain water filters through wastes placed in a landfill. When this liquid comes in contact with buried wastes, it leaches, or draws out, chemicals or constituents from those wastes.
Detailed explanation-2: -Leachates are high-strength wastewaters formed as a result of percolation of rainwater and moisture through waste in landfills Leachates contain a mixture of organic and inorganic contaminants including humic acids, ammonia nitrogen, heavy metals, xenobiotics, and inorganic salts etc.
Detailed explanation-3: -Explanation: Leachate is a liquid that passes through solid waste and extracts suspended impurities from it.
Detailed explanation-4: -Leachate is a widely used term in the environmental sciences where it has the specific meaning of a liquid that has dissolved or entrained environmentally harmful substances that may then enter the environment. It is most commonly used in the context of land-filling of putrescible or industrial waste.