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The amount of usable water has always been of great interest in the worlD. ___36___ springs and st...

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the functions of carbon dioxide and water  the role of water in a growing plant  the process of simple sugar formation  the synthesis of water with carbon dioxide  
to form sugars  to derive energy from light  to preserve water  to combine carbon dioxide with water  
usable    available       reasonable    suitable  
forming sugars  sustaining woody stems  keeping green  producing carbon dioxide  
horizontal movement of water  the vertical rise of the water  the vertical fall of the water  the amount and time of the tide"  
essential  attainable  usable  available  
The mineral elements will not be absorbed by the plant unless they are dissolved in its root  The woody stems contain more' water than the leaves  Air existing around the leaf is found to be saturated  Only part of the carbon dioxide in the plant is synthesized  
an equal amount of silver  an equal amount of gold  all the water in the jar now  the water that leaves the jar  
comfortable  suitable  usable  available  
a plant efficiently utilizes most of the water it absorbs  carbon dioxide is the essential substance needed for plant development  a plant needs more water than is found in its composition  the stronger the wind, the more the water vapor loss'  
to cut down the amount of cooling water needed  to prevent an excess amount of cooling water from being discharged to the bilges  to supply hot water to the evaporator for more economical operation  None of the above is tree  
increase the amount of cooling water to the condenser  decrease the amount of cooling water to the condenser  add more refrigerant to the system  remove some of the refrigerant from the system  
the atmosphere has a lot of water in it when it circulates  the water in the atmosphere is purer than that in the world's oceans  the amount of water in the atmosphere is greater than that in the oceans in the world  the small amount of water in the atmosphere plays an important role in the yearly rainfall  
there is no life there now  there is a large amount of water at the poles  the Mars may be able to support life in the future  conditions may have been similar to those on the Earth  
gives an example of ideal rivers for generating electricity  explains in detail what a suitable fiver for generating electricity should be  states that the amount of water in the fiver is very important  implies that the water plays an important role in industry  

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