1. independent: <em>the cow     </em>           dependent: <em>food with growth hormone</em>
2. independent: <em>mosquito </em>           dependent: <em>repellent</em>
3. independent:<em> test  </em>                    dependent: <em>time spent on studying</em>
4. independent: <em>cars </em>                    dependent:<em> speed</em>
5. independent: <em>people </em>               dependent: <em>diet pill</em>
Im not to sure on the hypothesis but I hope this helps!
 
        
             
        
        
        
Answer:
A book on a table has<u> </u><u>more</u> potential energy than a book on a chair because the table is <u>higher</u> off the ground.
Explanation:
Feel free to correct me If i'm wrong :)
 
        
                    
             
        
        
        
It is C. He said that they where formed in layers.