Conduction is when heat is transferred through direct contact.when molecules get heat they move faster and vibrate then bumping in to other particles transferring the heat passing the energy around
        
             
        
        
        
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Dry air is a mechanical mixture of nitrogen, oxygen, argon and several other gases in minor amounts.
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Answer:
B. Nuclear energy 
this type of energy splits nuclei or combines them. 
 
        
                    
             
        
        
        
The species that are mostly to be producers to be plants because they take in the light source aka the sun via photosynthesis. This takes up most of the energy in the ecosystem