Answer:
C is the best answer
Explanation:
the dominate trait is in 3 of the four boxes
 
        
             
        
        
        
They help work together because when the heart pmps blood through the body and the cells flow through the blood non stop its like a barrier of protection
        
             
        
        
        
d. dynamic and changing
Explanation:
The marketing environment is best described as being dynamic and changing. 
Marketing is a set of activities whereby a company promotes their products and services. 
- A marketing environment refers to all factors that ensures the producers serves their customers better. 
- There is no real static model to make predictions about the marketing environment.
- Since it is targeted and centered on customers, the marketing environment is constantly changing and dynamic. 
learn more: 
Market economy brainly.com/question/10906918
#learnwithBrainly
 
        
             
        
        
        
I think the answer would be "A"