biology paper 12 .... how was it ?

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kazamodia said:
lychee26 said:
it would be more denitrifying bacteria

I am confused about the meaning of drainage !! what does it mean ?? :oops:
a poor drained soil means that it has lots of water (water logged soil) so low oxygen content. therefore anaerobic conditions which means denitrifying bacteria is most likely
 
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There was a question over this with well aerated soil, which was denitryn bacteria,
so i duno i rote this as A =/
guys wht was ur frst one :'(
i ticked 4 x 10 ^1 micrometre
 
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