Question

make a chart on different shapes used for making building apt for rainwater harvesting

Answer 1

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Answer 2

hlo dear
Methods of Rainwater Harvesting – Broadly there are two ways of harvesting rainwater.
1)Surface runoff harvesting.
2) Roof top rainwater harvesting

Rainwater harvesting is the collection and storage of rainwater for reuse on-site, rather than allowing it to run off. These stored waters are used for various purposes such as gardening, irrigation etc. Various methods of rainwater harvesting are described in this section.
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ya and diagram see from above okk I forget to attach the pic sorry for this