बाढ़ और सूखा : हिंदी पीडीऍफ़ पुस्तक – सामाजिक | Badh Aur Sookha : Hindi PDF Book – Social (Samajik)
Pustak Ka Vivaran : Pani Ek anant chakra se gujarata hai. Yah pata lagana sambhav hai ki pani chakr ke ek star se doosare star kee or kaise badhata hai. Yah samudra se aakash kee or badal ke roop mein gatiman hota hai. Varsha ke roop mein dharatee par aata hai tatha nadiyon aur dharaon ke jariye samudr kee or pahunchane ka marg khojata hai. Pani kee is kriya ko jalachakr kahate hai………….
Description about eBook : Water goes through an eternal cycle. It is possible to find out how the water moves from one level of the cycle to another. It moves from sea to sky as a cloud. Rain comes to the earth and finds a way to reach the sea through rivers and streams. This action of water is called water cycle………..
