Answer: D
Explanation: The villi increases the surface area for food absortion. Each villus has a network of thin and small blood vessels close to its surface. The surface of the villi absorbs the digested food materials.
        
                    
             
        
        
        
Answer:
D. The profit motive drives companies that are competing in the global marketplace to exploit natural resources.
 
        
                    
             
        
        
        
Answer and Explanation:
<em>IMPORTANT NOTE: Due to technical problems, you will find t</em><em>he answer and the complete explanation</em><em> in the attached file.</em>
 
        
             
        
        
        
Answer:
Dogs are wonderful human companions.  They are the first species that humans domesticated and they have a long history of close relationships with people.  
If you spend any time with dogs (I have two wonderful adopted dogs who shower me with affection and fur), then you see first-hand the many ways that dogs can respond to their owners.  A dog may treat a stranger with suspicion, but dances with joy when its owner returns.  Indeed, when one of our grown children returns after a long absence, the dogs respond with excitement.