Acid Rain

• Acid Rain Measurement Guide (Worksheet) (contributed by Mr. Cheng Tak Chi of PLK Wu Chung College)
  

• 酸雨研究指引(工作紙) (撰稿人：保良局胡忠中學鄭德智老師)

• Reference:
  

1. Lam, C.Y.,  Kyle, W.J., Chan, Y.K., Lam, K.S., Lam, David H.Y., Lee, Olivia, Lau, Alexis K.H. & Fong, Clarence, Hong Kong Secondary Schools Acid Rain Survey, HKMetS Bulletin, Volume 13, Numbers 1/2, 2003, p. 3 - 11
2. HKO YouTube demonstrating the measurement of acid-rain among CoWIN

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