<span>Countercurrent oxygen exchange I think 
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The right answer is thinking.
The "thinking" is not a reflex, it is a competence that the newborn will acquire a few months after his birth.Studies have shown that babies begin to think 4 months already, they have an idea about the laws of physics. He continues to reconstruct the image he makes of the world according to the latest information he receives. 
At 8 months, his brain already models the probability of future action by confronting his memory with the information his senses provide. One of the keys to human intelligence.
        
             
        
        
        
Biomass fuel = <span>fuels derived from living things (renewable resources)</span>
        
                    
             
        
        
        
A. Sharks store enough urea to match the total solute concentration of the surrounding seawater
        
             
        
        
        
Answer:
100%
Explanation:
the only possibilities from HH and hh are: Hh Hh Hh Hh