NEET BIOLOGY

Detailed explanation-1: -One of the most important sources of pollution in landfills is the leachate that is generated by the decomposition of waste. Leachate can penetrate into the soil and water resources, contaminate them, and can affect human life.

Detailed explanation-2: -The most pressing environmental concern regarding landfills is their release of methane gas. As the organic mass in landfills decompose methane gas is released.

Detailed explanation-3: -Leachate is dangerous because it seeps through the soil into local waterways where it contaminates drinking water supplies and spreads disease. In fact, leachate from landfills is a significant source of pollution for the environment.

Detailed explanation-4: -Landfill sites are often responsible for the contamination of soil and groundwater, as the contaminating materials (such as heavy materials like lead and mercury) that the stored waste may contain can spread to the soil and water near the plant.

Detailed explanation-5: -Landfill leachate has an adverse impact on groundwater quality as well as on living being. It contain high levels of organic, inorganic, heavy metal, and xenobiotics, which percolates through the subsoil and contaminate the groundwater.