Answer:
They pick up oxygen from the lungs and drop off oxygen to the cells through the capillaries
 
        
                    
             
        
        
        
The correct answer is horizon.
Hope I helped.
        
             
        
        
        
Answer:
Active transport requires energy input from the cell.
 
        
             
        
        
        
Answer: Roles of DNA polymerases and other replication enzymes. ... which require a template and a primer (starter) and synthesize DNA in the 5' to 3' direction. ... Topoisomerase also plays an important maintenance role during DNA replication.
Explanation:
hard to explain
 
        
             
        
        
        
That organisms are called CONSUMERS...