Heat transfer is a discipline of thermal engineering that concerns the generation, use, conversion, and exchange of thermal energy between physical systems.
 
        
             
        
        
        
Answer:
density dependent factors are competition, predation, parasitism, disease/ independent factors are natural disaster, seasonal cycle, unusual Weathers
 
        
             
        
        
        
One reason of decline in honeybees is destruction of habitat with pesticide and global warming this decline in plants has had a direct impact to the decline of honeybees.