B. Frequent due to fighting between bats 
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<span>The answer is letter D. Annual rings in woody stems are caused by an increase in rings of the secondary xylem. During the fall, the secondary xylem develops dense woods. Thin woods are develop during the spring which marks the formation of ring on its annual growth.</span>
        
                    
             
        
        
        
Human ecosystems limit the the growth of other ecosystems due to the pursuit of technology and our own growth.
        
                    
             
        
        
        
Answer:
 the right answer is small intestine.
Explanation:
Carbohydrates are digested and converted into monosaccharides. Proteins are finally converted and broken down into amino acids. The fats are converted to fatty acids and glycerol. The digested end products are absorbed into the body through the epithelial lining of the intestinal villi.