Environmental Protection Daily Tip – July 26: Reward for participation; an additional 5 rewards for answering 3 questions correctly
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Multiple-choice question: In layers that lack proper ( ), it is prohibited for enterprises and institutions to use ditches, ponds, etc. without leakage prevention mechanisms to transport or store wastewater containing toxic pollutants, sewage with pathogens, and other waste materials. A. Water storage B. Load-bearing capacity C. Drainage D. Impermeability. D
In the absence of suitable (D. impermeable) strata, it is prohibited for enterprises and institutions to use ditches, ponds, etc., without leakage prevention, to transport or store wastewater containing toxic pollutants, sewage with pathogens, and other waste materials.