जल जीवन का आधार : कृष्ण कुमार मिश्र द्वारा हिंदी पीडीऍफ़ पुस्तक – सामाजिक | Jal Jeevan Ka Aadhar : by Krishna Kumar Mishra Hindi PDF Book – Social (Samajik)
Pustak Ka Vivaran : Vishv Mein Shayad hi koi vastu aise hogi jo Pani se bhi jyada aam ho. Ham Pani ke Aashcharyajanak Gunon ko prayah Gambheerta se nahin lete. Vastav mein yah ek utkrsht vilayak hai aur kaphi adhik tapman tak drav avastha mein bana rahta hai. Ise Garam karne tatha ubalane ke liye kaphi ooshma ki jarurat hoti hai. Sabase…….
Description about eBook : There will hardly be any thing in the world that is more common than water. We often don’t take the amazing properties of water seriously. In fact, it is an excellent solvent and remains in the liquid state at very high temperatures. It requires a lot of heat to heat and boil. To all…….
