Answer:
I would say Fossil Fuels
Explanation:
I don't know your choices but Fossils fuels would be your best bet if it's an option.
 
        
             
        
        
        
A possible Hypothesis probably .
        
             
        
        
        
Answer:
They obtain energy by a process called photosynthesis 
Explanation:
 
        
             
        
        
        
Science has shown that smoking causes cancer. which is an example of how society responded to this information
        
             
        
        
        
A wind blowing would be the right solution, as it's not an example of which value and energy cycling's happening through living items. Mortal sitting vegetables involve energy transfer between diverse trophic levels.