Explanation:
60 - 70% of maximum heart rate: This zone provides the same benefits as the healthy heart zone, but is more intense and burns more total calories. The percent of fat calories is remains up to 85% in this zone.
 
        
             
        
        
        
Answer:
 B. Estimated Average Requirements
 
        
             
        
        
        
The charge nurse, because they are responsible for over seeing department within a healthcare facility