Question 1 How does water get polluted? Question 2 Why is water essential for life? Question 3 Define water pollution? Question 4 What are the sources of water pollution? Question 5 What is the full form of BOD? Question 6 What are the harmful effects of water pollution? Question 7 What is BOD? Water The ocean,rivers,streams,lakes,ponds,pools,polar ice … [Read more...] about Water
Water
Last Updated on By Mrs Shilpi Nagpal 2 Comments