देश और उनके निवासी भाग 1 : हिंदी पीडीऍफ़ पुस्तक – सामाजिक | Desh Aur Unke Nivasi Part 1 : Hindi PDF Book – Social (Samajik)
Pustak Ka Vivaran : Hamari Prthvi ke vishay mein bahut se rochak tathy hain. Kya tumhen pata hai ki tum soory ke charon or chakkar lagate ho ? Yah sahi hai aur svayan prthvi hi is yatra mein tumhara vahan hai. Isake chalane ki gati bahut tej hai aur yah ek parikraman kareeb ek varsh mein poon karti hai. Tumane ab tak soory ke charon or kitne chakkar lagaye hain……….
Description about eBook : There are many interesting facts about our earth. Do you know that you revolve around the Sun? That is right and the earth itself is your vehicle in this journey. The speed of its movement is very fast and it completes one revolution in about a year. How many revolutions have you made around the Sun so far…….
