Answer:
They are large molecules that blind readily with proteins , cellulose, starches and minerals.
Explanation:
it hides into leather 
 
        
             
        
        
        
Answer:
The answers would be likely be to a.) improve the environment and b.) cut costs.
 
        
                    
             
        
        
        
Amniotic Egg - This type of egg does not require water. Organisms could lay their eggs on land they would not dehydrate.
Lungs - got to be able to extract oxygen from their environment for cellular respiration.<span />
        
             
        
        
        
Groundwater is the water found underground in the cracks and spaces in soil, sand, & rock.