You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "liquid produced by the interaction of rainwater with solid waste?" whose answer is leachate.
Each document should contain about 30 words, and these documents should contain useful information.

Query: liquid produced by the interaction of rainwater with solid waste
Useful Output:

Doc 1: This toxic liquid forms when rainwater and decomposing waste mix, creating a cocktail of hazardous chemicals, heavy metals, and organic
Doc 2: What is Leachate?  Leachate is any water that has filtered through waste and itself becomes contaminated. Leachate is derived from 'leaching'.
Doc 3: After dumping o solid waste in low-lying areas, they may come into contact with groundwater or rain water  To assess the pollution potential of leachate
Doc 4: In sanitary landfills, liquid produced by the interaction of rainwater with solid waste is called ______. Landfills use a number of
Doc 5: Leachate is a very offensive dark liquid produced by the solid waste disposal in an aerobic environment [5], [7]. The term has a specific meaning as harmful