Scientist used abstract reasoning to explain something happened
        
                    
             
        
        
        
Answer:
Affective roles
Explanation:
There are two types of roles in a family 
a) Instrumental roles - The role of an individual in a family is to provide physical resources such as basic necessities of life (food, clothing and shelter). The individual is also responsible for managing the family. 
b) Affective roles - The role of an individual is to provide emotional support and encouragement
 
        
             
        
        
        
Answer: computer work and skills
Explanation: you can learn it by practiceing all the time