Assess Interact Pre-Requisires Test & Enrich Pre – Requisite https://www.youtube.com/watch?list=PLEuUy4TjqFeAgEPRo11-rzecdynw20fF7&v=KL40jITS0bM English Version Wastewater Story | Speed Notes Notes For Quick Recap Wastewater: Black-brown water which is rich in lather , mixed with oil that goes down the drains from skins, showers, toilets, laundries is called wastewater. sewage: Wastewater is generated in homes, industries, agricultural fields…