Answer:
Because if the 4-year-old child passes out from holding his breath, he will immediately begin breathing again, keeping him alive.
 
        
             
        
        
        
<h2>respiracion aerobic</h2><h2>fotosintesis</h2>
organismo Eucaronte 
<h2>pluricelular</h2><h2>reproduciion  </h2><h2 /><h2 />
 
        
        
        
Answer:
potential benefit: more nutritious food
potential negative impact:biodiversity loss
 
        
             
        
        
        
Answer: B. Combustion
Lavoisier’s oxygen theory of combustion was one of his most
notable contribution to science and earned him the title of the “father of
modern chemistry”. He recognized the combustible property of oxygen and that phosphorus and other metallic elements increased in terms of weight when burned.