Answer: the lightest and the darkest skin pigmentations are equally common in the population 
Explanation:
 
        
                    
             
        
        
        
Answer:
B. Second
Explanation:
In the second trimester the bony parts of the skeleton begin to form
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I believe it’s the study of agriculture (c)
        
             
        
        
        
Answer:
scientific theories must be tested by more than one individual multiply times for it to become scientific law
 
        
             
        
        
        
Every time I would say, but often is the answer as theory should be revised, and also done practically so that you don’t forget the concepts