本题目来源于试卷: SL/HL Topic C1.3 Photosynthesis，类别为 IB生物学
[问答题]
b. For one of the limiting factors that you have listed, outline how (4z 4o2urxsz;w r/nvtyd6c ls;x k6yi7ou would manipulx7ck6;i6d yslate the variables to carry out the investigation.
参考答案: Repeat the experiment each time with a different value of the test variable. (e.g. the sodium hydrogen carbonate concentration for carbon dioxide/ the temperature of the water bath/the distance or intensity of the light source/ use of filters on the light source. (1 mark). Include a wide enough range of values to show the effect of differences. (1 mark)
Keep the other variables constant. (1 mark)
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