Qualification > Sciences
CHEM AND BIO HELP AND TIPS HERE
ksitna:
yeah @ raywin i think it is B too
Raywin:
--- Quote from: zarkajordan on June 07, 2010, 03:51:12 pm ---The activity of decomposers returns substances to the atmosphere.
Which products of decomposition enter the atmosphere?
A carbon dioxide and nitrogen
B carbon dioxide and water
C oxygen and nitrogen
D oxygen and water
The marking scheme says the answer is B how come its not A?
--- End quote ---
Nitrogen are only released into the atmosphere by bacteria, NOT decomposers.
Raywin:
--- Quote from: ~VIN1094~ on June 07, 2010, 03:55:13 pm ---We got the same thinking. I really don't know y. I just guessed it because for these kinda ques. the answer is always awkward, you know what I mean. Which year? What is it given in the ms?
--- End quote ---
I found these hard Qs posted by some guy on SF.. :S i tried them out, prolly some REALY OLD PAPERS. there was NO ms.. :|
Raywin:
More Tricky :'(
Raywin:
GUYS, FIND ALL THE TOUGH QS HERE ;D
https://studentforums.biz/index.php/topic,1612.0.html
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