People wishing love in more densely populated areas people outside live in less dense areas. Population density is the biological factor
        
             
        
        
        
Answer: Shivering helps raise body temperature.
Explanation: Shivering - nerve impulses are sent by the hypothalamus to the skeletal muscles to bring about rapid contractions that generate heat. Shivering therefore helps raise the body temperature. Increase in metabolic rate - the liver produces extra heat in order to raise the temperature of the body
 
        
             
        
        
        
Answer:
network with professionals in the field. And Demonstrate and develop relevant skills