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When u was startt drawing then u use paster colour its to better colour
 
        
                    
             
        
        
        
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Examples of pastoralists are the Bedouins from Saudi Arabia, the Maasai from East Africa, and the Sami from Scandinavia.
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Your answer is in the picture! I tried my best to research :)
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Epithelial layers contain no blood vessels  so they must receive nourishment via diffusion of substances from the underlying connective tissue, through the basement membrane.
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