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Knowledge and practice are one. ..."Wang Yang Ming (1472-1529, Chinese Philosopher) "
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Author Topic: plants and conservation of mass  (Read 6045 times)
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leeyiren
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on: November 20, 2010, 04:01:29 pm » posted from:SINGAPORE,SINGAPORE,SINGAPORE

U place a pot of plant on a weighing scale in a closed system but light can enter and u water a 500g of water daily. U notice the mass increases. Assuming u minus how much water u added to the system, the pot will still be heavier. So where did the extra mass come from?

The law of conservation of mass is that the mass of a closed system will remain constant over time.

Some1 enlighten me? thx
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Knowledge and practice are one. ..."Wang Yang Ming (1472-1529, Chinese Philosopher) "
 
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