बदलता पर्यावरण : प्रेमचन्द श्रीवास्तव द्वारा हिंदी पीडीऍफ़ पुस्तक – पर्यावरण | Badalta Paryavaran : by Prem Chand Shrivastav Hindi PDF Book – Enviroment (Paryavaran)
Pustak Ka Vivaran : Hamara parivesh kayi prakar ke sookshma jeevon se bhara pada hai. khadhy-Padarthon ke sampark mein Ane par kuchh jeev un par Ashray lete hain aur poshak tatv aur nami jaise anukool paristhiyon ke karan sheeghrata se badhakar vishaile tatv nisarane lagate hai. kuchh jeevanu khadh padarthon ke dvara shareer mein pravesh karane ke uparant vishaile tatv nisarane hai. khadh padarthon ke dvara shareer mein pravesh karane ke uparant………….
Description about eBook : Our environment is filled with many types of microorganisms. Some creatures take shelter on them when they come in contact with foodstuff and due to favorable conditions like nutrients and moisture, the poisoning elements begin to move rapidly. Some bacteria are poisonous elements after entering the body through the food items. After entering the body through food substances…………..
