Answer:
B. Old world monkeys
Explanation:
The Old World monkeys (including baboons) inhabit Africa and Asia, and are more closely related to apes. They are generally larger than New World monkeys, have more elongated faces, and have a tail that is not "prehensile".
 
        
                    
             
        
        
        
I belive they studied rocks because that is what geological stands for.However they also studied glaciers and ice caps for seeds that contained pollen. The prehistoric 4imes often help us understand out history. 
 
        
                    
             
        
        
        
Iron is a key component of hemoglobin. Hemoglobin the the protein responsible for transporting oxygen uses iron to bond oxygen. Additionally Hemoglobin is a key component of RBC (erythrocytes)... If iron is deficit the body is not able to produce red blood cells and it can result in iron deficient anemia.