Routine activities are the type of activities we do everyday. keyword: routine.
        
             
        
        
        
Answer:The Big Five trait that describes this would be <u>extraversion. </u>
Explanation:
The Big Five traits is a theory that is used to decide a person's personality trait. The five main traits are; extroversion, agreeableness, conscientiousness, neuroticism, and openness to experience. 
Extraversion is when a person is outgoing, talkative, happy to meet others, and energetic around others. 
 
        
             
        
        
        
A conflict arising between any two persons like in between siblings can be referred as relationship conflict, man versus man or external conflict.  
Explanation:
The conflicts between siblings are usually due to  
- Competence, achievements or over-performances of one over another
 - Receiving unequal amount of attention from parents and others
 - Personal, physical, or psychological issues
 
Conflicts arising due to achievement differences often lead to inferiority complex in the less achieved person and superiority complex in the high achieved person.
 
        
             
        
        
        
Benign is harmless, malignant is dangerous.
        
                    
             
        
        
        
Water and hydrocloric acid in our stomachs.