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Ferske økosystemer mathilde og asger
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Question:
Snak lidt om denne
Author: Asger LIndberg-Nielsen
Answer:
We can use oxygen to meassure oxygen but we also have to meassure rearation between water and atmosphere - thats the plus minus E. it the water is oversatursated difussion will go out and it will go in if its not satturated.
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Asger LIndberg-Nielsen