Question

why rain water harvesting should be needed

Answer 1

It reduces soil erosion and flood hazards by collecting rainwater and reducing the flow of stormwater to prevent urban flooding. Most buildings that utilize rainwater harvesting systems have a built-in catchment area on top of the roof, which has a capacity of collecting large volumes of water in case of rainstorms.

Answer 2

Answer:

${\underline{\sf{\underline\orange{\: Advantages\: of \: Rain \: Water \: Harvesting}}}}$ are:

• It is cost-effective.
• Conserves water.
• A source of water for landscape irrigation.
• It is a simple method and easy to practice.
• It reduces soil erosion and pollution of water bodies due to fertilizers and pesticides.

$\dag{\boxed {\underline{\sf{\underline\orange{hope \: it \: helps \: u}}}}}\\\\\dag{\boxed {\underline{\sf{\underline\orange{please \: mark \: as \: BRAINLIEST}}}}}$