The answer is left to right shunt
Ductus arteriosus is a vessel that connect the pulmonary artery with the aorta. Normally, ductus arteriosus will be closed to prevent backflow. Patent ductus arteriosus happens when it doesn't closed. 
Since aorta pressure is higher than pulmonary, left to right shunt will be happens. The blood that flow to the lungs will be increased while blood flow to the systemic decreased.
 
        
             
        
        
        
<em>C.</em><em> </em><em>Growth </em><em>hormone </em><em>promotes</em><em> </em><em>the </em><em>closure</em><em> </em><em>of </em><em>the </em><em>epiphyseal</em><em> </em><em>plate.</em>
 
        
             
        
        
        
Answer:  Science, engineering, and technology permeate nearly every facet of modern life and hold the key to solving many of humanity's most pressing current and future challenges. The United States' position in the global economy is declining, in part because U.S. workers lack fundamental knowledge in these fields. 
Explanation:
 
        
             
        
        
        
Answer: They have different Genotypes but the same phenotype
 
        
             
        
        
        
A temperature of 30 and a dew point of 30 will give you a relative humidity of 100%, but a temperature of 80 and a dew point of 60 produces a relative humidity of 50%.