base on their characteristics they share
 
        
                    
             
        
        
        
Answer:
Diarthroses are freely movable joints.
Explanation:
Rheumatology may be defined as the branch of medicine that mainly deals with therapy and diagnosis of the rheumatic disease. The individual specialized in this field is known as rheumatologist.
Diarthroses joint is also known as synovial joint and lined in continuous with the periosteum of the joined bones. The synovial fluid is filled in the synovial joint. The synovial joints provide the free movable joints that allow abduction, extension and adduction of the body parts.
Thus, the correct answer is option (d).
 
        
             
        
        
        
I think it is erosion (2) because erosion removes soil, rock, and dissolved material.
        
                    
             
        
        
        
Answer:
Option A: True
Explanation:
Insectivorous birds such as bluebirds, dippers and flycatchers prefer to eat medium-sized insects. This is because like most birds, they love easy and satisfying meals. To the birds, a medium-sized insect is a good compromise because it is quite easy to chew and digest and at the same time, easy to find.
As a result, most insectivorous birds prefer to get their daily ration of proteins from the medium-sized birds.
 
        
             
        
        
        
An equator, is the definition of that!