Hellow guys, Welcome to my website, and you are watching [중3과학] 1단원 38쪽 발열 반응. and this vIdeo is uploaded by 힘내짜샤(교사꿀팁,쉬운과학) at 2022-03-25T03:02:56-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
