Weathering is wearing down objects by elements in an environment
        
                    
             
        
        
        
the human body is always at work and using all organs the bodys largest organ is the skin 
 
        
             
        
        
        
Answer:
Cervical and Thoracic areas. 
Explanation:
The most common sites of injury are the cervical and thoracic areas. SCI is a common cause of permanent disability and death in children and adults. The spine has 33 vertebrae.
 
        
             
        
        
        
Answer:
They both have mountains and steep canyons
Explanation:
 
        
                    
             
        
        
        
The part of the amino acid that gives the molecule its unique or characteristic chemical properties would be the R-group. Every amino acid has three main groups in it namely the amino group, carboxyl group and the R group. "R" represents different organic chain that is specific to a certain amino acid which gives different properties of the molecule.