Explanation:
The new research carried out by NASA on mars suggets that many of the Mars' ancient channel have been carved by flowing water, were actually formed by melt water beneath glacial ice sheets. The rocks looked familiar to the rocks found on Earth in these water channels. Moreover,  conglomerate rock was found near the base of the channel on Mars. 
 
        
             
        
        
        
El sistema inmune innato se compone principalmente de barreras físicas, como la piel y las membranas mucosas, barreras químicas, a través de la acción de péptidos antimicrobianos y especies reactivas de oxígeno [4], células inmunes innatas y mediadores solubles como el sistema del complemento, anticuerpos innatos
Explanation:
 
        
             
        
        
        
2. Removing a phosphate group from an ATP molecule, the other processors will need energy
        
                    
             
        
        
        
I think it’s D, carbohydrates.