Environment & Ecology · Environmental Studies
निम्नलिखित में से कौन-सा वर्षा जल संचयन (rainwater harvesting) की एक मूलभूत संरचनात्मक विधि या घटक नहीं है, बल्कि बारिश के पहले पानी को बहाने की एक प्रारंभिक प्रक्रिया है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1परकोलेशन पिट्स (Percolation pits)
- 2छत पर वर्षा जल संचयन (Rooftop rainwater harvesting)
- 3सतही अपवाह संचयन (Surface runoff harvesting)
- 4फर्स्ट फ्लश (First flush)✓
सही उत्तर देखें
फर्स्ट फ्लश (First flush)
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