poonchengmoh
About Me
cikgubio
My name is Poon Cheng Moh. I have been teaching biology in SMK(P) Raja Zarina, Port Klang for 26 years. I sincerely hope that this blog on SPM Biology will be useful to both teachers and students.
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Wednesday, October 5, 2011
CAPTURE, MARK, RELEASE & RECAPTURE METHOD
Saturday, October 1, 2011
To investigate the composition of oxygen and carbon dioxide in inhaled and exhaled air using a J tube
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