Qualification > Sciences
IGCSE CHEMISTRY DOUBTS
Ivo:
--- Quote from: jellybeans on June 04, 2010, 05:50:37 pm ---i've got a huge doubttt again :( :( :(
please help ! :P tttthankyou.
--- End quote ---
D, obviously. Because during the day, the plants photosynthesise, so causing oxygen levels to increase. At night, plants and animals respire so release carbon dioxide, thus reducing the oxygen levels.
Vin:
--- Quote from: jellybeans on June 04, 2010, 05:50:37 pm ---i've got a huge doubttt again :( :( :(
please help ! :P tttthankyou.
--- End quote ---
Is this chemistry ::) :P
i was about to answer :P
By the way which paper? I mean which session?
Ivo:
--- Quote from: ~VIN1094~ on June 04, 2010, 05:57:26 pm ---Is this chemistry ::) :P
i was about to answer :P
By the way which paper? I mean which session?
--- End quote ---
LOLs, Bio in Chem doubts, nicely done there ~VIN1094~! ;D
8T:
--- Quote from: Ivo on June 04, 2010, 05:44:08 pm ---
--- End quote ---
UMM.. Honestly no it didnt u answered b 1 when i asked for b2 and 3 but i still dnt get b2 and could u have a look at b3 ..
Thanks :)
8T:
Hi again ..
In may june 08 varient 32 4 a 2 i think ms author has accidently balanced the equation by adding 2 before the H2O
Am i Right?
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