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Watch Later 1:14

化學教室-第20章-11-洩漏石油所造成的污染

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化學教室-第20章-10-全球增溫

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化學教室-第20章-9-酸雨

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Chemistry tutorial-Ch20-12-Reducing the emission of air pollutants from combustion of fossil fuels

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Chemistry tutorial-Ch20-11-Water pollution from oil spillage

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Chemistry tutorial-Ch20-10-Global warming

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Chemistry tutorial-Ch20-9-Acid rain

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F4_化學_CH17-1 強酸和弱酸、強鹼和弱鹼的意思

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Chemistry tutorial-Ch20-8-Air pollution

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