In the 1800s the matter was divided into two categories
which are:
1) Organic matter
2) Inorganic matter
<span>The difference between them was that organic
referred to living matter which have life in them as opposed to inorganic
matters which are lifeless or are of geological nature such as rocks,
mountains, minerals etc.</span>
 
        
             
        
        
        
The material that makes up the membrane cell is the phospholipids, cholesterol, proteins, and carbohydrates.
 
        
             
        
        
        
A testable question is something you need data for, ex: if i bounce a bouncy ball from larger heights, how high will it fly? it can't be just a regular yes or no question