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biology coursewk

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biology coursewk

hi 4 my bio c/w i am investigating the effect of light on the growth of moss. I have also measured other things such as soil pH and soil depth, but these are supposed to be controlled variables. So does this mean that in my analysis, I just talk about the results i got for the frequency of moss and the results for light intensity and how it affected it?
I dont know if I should forget about the other results that i got. What shall I do?

Reply 1

MadNatSci

You should definitely focus on the moss frequency and light intensity results, but since the others are supposed to be controlled it would perhaps be useful to refer to them, just to highlight the fact that they were properly controlled and that therefore your experiment is a fair one.