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<span>The supply of energy-rich molecules in muscles are used up, then the muscles become tired, and they need to rest.
 Lactic acid is being produced from anaerobic respiration. If compared to cellular respiration, fermentation does not produce much energy.</span>
        
                    
             
        
        
        
Answer:
TRUE
Explanation:
Franz Boaz was a German-American scientist born in Minden, Germany in 1858. He is known to be the first to develop scientific method of studying human cultures and societies. This renowned anthropologist  became popular for his theory of cultural relativism and his contributions to anthropology. He believes culture is the product of human character rather than cultural determinism. His revolutionary discoveries when studying European immigrants to the US, including studies of the cultures, histories, and languages of Native Americans and Kwakiutl led him propound the theory of cultural relativism. His works and theory helps in discouraging racial divide. Franz Boas is known to be the Father of Modern Anthropology and most especially, he is said to be the founder of Modern American Anthropology.
 
        
             
        
        
        
Answer:
a pigment metabolite from the destruction of hemoglobin
Explanation:
Bilirubin is a yellow pigment produced during the normal breakdown of hemoglobin as red blood cells die.