Ans. C. as the man above said its C, the trachea, this is true, im also taking the test and i looked up the body system and thats where the trachea is, were x is
C.
C.
Answer is C.
 
        
                    
             
        
        
        
Answer:
Las teorías extraterrestres o de panspermia sugieren que la vida existió en el espacio exterior y fue transportada por meteoritos, asteroides o cometas a una Tierra receptiva. En este caso, el origen de la vida no está relacionado con los posibles entornos de la Tierra primitiva.
Explanation:
 
        
             
        
        
        
How organisms could change. Hope it helps my dude.
        
             
        
        
        
I
can conclude that if the color of the solution in the control changed, the
control enabled me to have a perspective in which there is no change ought to
have happened. On the off chance that the control arrangement changed its
color, I would conclude that there were life forms in the water.
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True because if you were to do a punnet square, it would show 25% recessive 25% dominate and 75% hybrid