Pull Of Gravity , that is why you have weight or else without gravitational pull you only have mass hence the equation w = mg
        
             
        
        
        
Answer:
Ribosomes. 
Explanation:
The function of ribosomes is to make protiens by joining amino acids together.
 
        
                    
             
        
        
        
Energy can neither be created or destroyed  but does however transform from one form to another
        
                    
             
        
        
        
Answer:
Carbon dioxide, which is naturally in the atmosphere, dissolves into seawater. Water and carbon dioxide combine to form carbonic acid (H2CO3), a weak acid that breaks (or “dissociates”) into hydrogen ions (H+) and bicarbonate ions (HCO3-).
Explanation: