Answer: E. Polygenic
Explanation: The color of eyes and hair is due to quantity and accumulation of pigments such melanin. Melanin is synthesize by multiple enzymatic steps and every enzyme is codified by a different gene. That means polygenic inheritance, that several genes are implicated in determined the this trait and its difficult to trace since every gene has a sequence that can vary between families or human groups.
 
        
             
        
        
        
Answer:
C. Why do some farm choose to use pesticides? 
 
        
             
        
        
        
Answer:
Sorry I dont know the answer but you can maybe use quizlet to help!
Explanation: