Rain-water harvesting is the process of collecting and storing rainwater for later use.
It is commonly done by channeling rainwater from rooftops into storage tanks or underground reservoirs.
वर्षा जल संकलन तकनीक क्या है ?
Leaves of the sensitive plant move very quickly in response to ‘touch’. How is this stimulus of touch communicated and explain how the movement takes place?
Read the following sources of loan carefully and choose the correct option related to formal sources of credit:
(i) Commercial Bank
(ii) Landlords
(iii) Government
(iv) Money Lende