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Biology Practical help!! urgent please >.<

I'm stuck in may/june 2007 Biology practical Question 1. the graph part. :( How do we decide the graph axes here? :%) http://www.xtremepapers.me/CIE/index.ph ... _qp_31.pdf In mark scheme it says transmission/arbitrary units on x-axis, lead nitrate/% on y-axis. Why? Aren't we changing...
- sasukeuchiha
- Thread
- May 9, 2011
- Replies: 3
- Forum: A-Levels

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