https://padlet.com/hayeon021111/ygonj2pl1l6ov4e8 This is my English Padlet en-us 2022-04-28 10:35:31 UTC 2025-10-23 17:42:15 UTC hello@padlet.com hayeon021111 https://padlet.com/hayeon021111/ygonj2pl1l6ov4e8/wish/2397512103 water pollution is a phenomenon in which waste water from human life flows into lakes, rivers, and seas and pollutes water quality.
there is a various causes of  water pollution like domestic sewage, solid waste, petroleum pollution and etc. To solve the problem, make factories install the wastewater purification system and crack down on industrial wastewater speculation. ]]> 2022-11-25 04:16:50 UTC https://padlet.com/hayeon021111/ygonj2pl1l6ov4e8/wish/2397512103