Africa, australia, north america, south america, antarctica, asia, and europe
        
                    
             
        
        
        
Answer:
false 
Explanation:
because not every rock has granite in it 
 
        
             
        
        
        
If the epimers differ in con²gura±on around one<span> carbon or more than one carbon</span>
        
             
        
        
        
Answer:
a)species x is anaerobic, and species y is aerobic
 
        
                    
             
        
        
        
Prokaryotic cells lack a nucleus.