Hellow guys, Welcome to my website, and you are watching 물(3부) 우리가 사용하는 물의 부존량은 지구상에 어느정도일까?, 물을 얼마나 먹어야 하나? |화학세상. and this vIdeo is uploaded by 화학세상 - 흥미로운 생활화학 이야기 at 2021-04-11T15:36:32-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
