I believe the left chamber has a higher concentration of neon gas because it has more neon atoms in it, and the right chamber has a higher concentration of helium gas because it has more helium atoms in it.
 
        
             
        
        
        
The Live oak trees can be defined as the sources of nutrients for the animals and plants.
Explanation:
Live oak trees are capable of producing acorns that turkeys, ducks, deer and other animals can feed on.
The acorn and flowers of oak rot and decay are the sources of nutrients for the soil and provides nutrients to other plants sharing the same soil for water and nutrients.
 
        
             
        
        
        
<span>For the answer to the question above, I'll just complete the sentence for the answer to your question. "Radial" are characteristics of downcutting streams and a youthful stage of valley evolution.
I hope my answer helped you in someways
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