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thing just some decades ago. (맘놓고 물을 마실 수 없는 현실.. 몇십년 전에는 상상도 못한 일) As you know, water pollution is one of our most serious environmental problems. It occurs when water is contaminated by sewage, industrial wastes...

Did you think about Water pollution when you washind the dishes or wash your's hair? Now adays earth have contaminated by virtue of humans. air polluton, soil pollution, wate pollution and ect. some public service advirtisment in ment...

water pollution is contamination of natural area because of factory wastewater, civilized society .it became faster when industrialization , urbanization start . and now, the biggest factor of water pollution is domestic wastewater ,and...

discover, detect, worm out of 탐지하다(= detect, spy out, trace out, get wind of, learn by inquiry) ​ detect water pollution 수질오염을 탐지하다 paper-detect light 용지 감지등 detect a mine 지뢰를 찾다 detect radioactive substances 방사능...

M. Nixon. He said the agency would be focused on research, standards and enforcement in five areas: air pollution, water pollution, waste disposal, radiation and pesticides. Mr. Zeldin said the E.P.A. would unwind more than two dozen...

수질오염[water pollution ], 水質汚染 요약 물은 인간의 생존에 있어서 가장 필수적인 요소 중에 하나이다. 따라서 먹는 물의 수질과 위생을 관리하는 것은 인간의 생명과 건강유지를 위해 매우 중요한 일이다. 인간의 평균수명을 늘리는데 가장 큰 기여...

standing here talking to you and breathing in this toxic air. Julia: That’s true and your willingness to help me picket is really commendable. Hey, where are you going? * commendable = 칭찬[인정] 받을 만한 Air and Water Pollution - WTS.mp3

제4장 수질오염(Water pollution)과 대책 Ⅰ. 물의 개념 1) 물의 특성 o 환경재로써 인류 생명체 필수물질 o H2O : Flistuli (H2 + 0 →H2O) o 액체(물), 고체(얼음), 기체(수증기) → 인간의 물질문명 o 지표면 71%바다, 전수량의 97%(인간생존물 1%내외...

Even though many people care about environmental problems, such as water pollution or global warming, these environmental situations are not likely to improve in the future. After the Industrial Revolution, our environment has been...