Water is an important natural resource for life
The rivers, lakes and seas collect ...............
Effects of Pollution
![](https://lh3.googleusercontent.com/blogger_img_proxy/AEn0k_tuWtq1wJ_pT6OQddd9zIS06732bf_Q8GPiMD9ioXu_fie-qnPmUWHilbzVVD3p9M2uxU7eIo-9q1ZTdjyS0WyPOrO4_h4soF7pAua5rr1NpUhBog6Nu2fjSY3fbiXlJxjhhZQXaeW9SmQk65QYjQW96Tyb8Gdpwo1MDw8DzfGK-0wKnnuIPqmcvX4-cxmlK7b2Y78VMHIfu8s8DLKp-gk=s0-d)
Conclution
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjOI24LqNcCiSopJ37xQPGQPEcl4mf58ISMQBO9yYVQ1relQPGdn_Ndaog5Fv5BKClL7PSAPqRTXBlYMBKOH4sjbU2NigcltZfQ_2kwFblZT029euKNSqgHk76NqSnU-RiT-Tu26Gch1IGj/s320/contaminacion+del+agua.bmp)
It is necessary ..........