I do not know how to work the problem out at the given time. However, If you are answering a multiple choice answer test, this is the answer.
0.2 U/mL
        
             
        
        
        
Answer:
 The left side of the heart receives oxygenated blood from the pulmonary vein and pumps it into the aorta, while the right side of the heart receives deoxygenated blood from the vena cava and pumps it into the pulmonary vein. The pulmonary vein and aorta also have valves connecting them to their respective ventricle.
Explanation:
 
        
             
        
        
        
Answer:
C. Pseudo science is also known as 'fake science' because whatever is said is impossible to prove with the scientific method, and a pseudoscientist's mindset is that it's correct until proven wrong.
 
        
             
        
        
        
Answer: Farming
Explanation: Plowing the land is the  first source of wealth.
 
        
             
        
        
        
Answer:
c is just wrong because that is not how evolution works evolution is a small change in the DNA that takes a long time through many many generations not just as you or an organism get older and smarter you are not evolving