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Politics : Formerly About Advanced Micro Devices
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To: Thomas A Watson who wrote (838250)2/22/2015 3:46:16 PM
From: J_F_Shepard  Read Replies (2) of 1576608
 
More CO2 everywhere means less water is needed everywhere. In all places where there is more CO2 plants will grow more with whatever water is there. The why of it changes nothing in the global effect. The why of how CO2 effects plant development to more efficiently use H20 show the fact that CO2 gates biomass growth.

In photosynthesis one molecule of CO2 reacts with one molecule of water according to the equation:

The overall chemical reaction involved in photosynthesis is:
6CO2 + 6H2O (+ light energy) ? C6H12O6 + 6O2.

Thus no matter how much CO2 is available, it can only react to completion if there are equal parts of water.....but remember the reaction requires light energy to happen... So excess CO2 alone does not cause more growth as you state.
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