Answer:
Chemical bonds are temporary connections between molecules that hold two or more molecules together. Types of chemical bonds including covalent, ionic, and hydrogen bonds. Chemical bonds enable chemical compounds to be formed. Chemical bonds are essential to all life.
 
        
             
        
        
        
All carbohydrates are absorbed in the form of monosaccharides. The small intestine is highly efficient at this, absorbing monosaccharides at an estimated rate of 120 grams per hour. All normally digested dietary carbohydrates are absorbed; indigestible fibers are eliminated in the feces.
        
             
        
        
        
Answer:
this is my lazy guess but: human activity, differences in emitted energy from earth, and natural fluctuations. BUT DONT TRUST ME LOOK IT UP IM NOT SMART
 
        
                    
             
        
        
        
Answer:
The correct answer is d) circular folds.
Explanation:
Circular folds slow food going through the small intestine so the villi and microvilli can help the food to be processed and digested properly. Also, the presence of these circular folds increases the surface where the nutrients are being absorbed.