Helium does not react with any other substances, thus the substance’s internal structure is never greatly affected and thus helium cannot have any chemical properties.
 
        
             
        
        
        
Reactants. Reactants are the substances that are needed for a chemical reaction to occur. Without reactants there are no products.
        
                    
             
        
        
        
Answer:
<em><u>FACT</u></em>
Explanation:
<h3>Cells as Building Blocks</h3>
<h3>A living thing, whether made of one cell (like bacteria) or many cells (like a human), is called an organism. Thus, cells are the basic building blocks of all organisms</h3>
 
        
                    
             
        
        
        
The conversion of light energy into chemical energy. (use of energy)