Answer:
to transform sound waves into mechanical vibrations
Explanation:
it's function is 
 
        
             
        
        
        
Answer:
Crossing over 
Explanation:
This exchange of genetic material is called chromosomal crossover, or crossing over. 
 
        
             
        
        
        
Lungs have a pulmonary circulation
        
             
        
        
        
Answer:
The first farmer
Explanation:
The belted allele is dominant and would therefore have a higher chance of showing up in the hog.  
 
        
             
        
        
        
Answer:
The correct answer is They both contain carbon ,but only nucleic acid contain phosphorous
Explanation:
Carbohydrates are also called polyhydroxyaldehydes or polyhydroxyketones.Carbohydrates contain carbon,hydrogen and oxygen.For example glucose(C6H12O6).
    On the other hand nucleic are composed of nucleotides that contain nitrogen base,ribose sugar and phosphate group.
      The presence of phosphate group in the nucleic acid make it different from carbohydrate.