Answer:
the tree where a squirrel lives in a forest ecosystem
Explanation:
 
        
                    
             
        
        
        
<span>A collection of mechanisms, behaviors and physiological processes that prevent the members of two different species that cross or mate from producing offspring, or which ensure that any offspring that may be produced are sterile :)</span>
        
             
        
        
        
I would answer better if you showed me a picture of the cylinder(which is what your supposed to do) But the volume is LxWxH
        
                    
             
        
        
        
Areas that have a higher salinity have colder water.
        
             
        
        
        
I believe the answer is B.