Answer:
The pitch is the independent variable.
The dogs are the dependent variable.
Explanation:
An independent variable is something that you can control such as how high or low the pitch is. The dependent variable is the variable that is dependent on the independent variable. The dependent variable is the one that shows the results.
 
        
             
        
        
        
This answer would be true, b/c it is not false. It's not false b/c coral reef ecosystems <em><u>DO</u></em> support over a million different species.
 
        
                    
             
        
        
        
Make/produce and secrete hormones
        
             
        
        
        
The leaf because it is the major structure of photosynthesis in a plant.
        
                    
             
        
        
        
Increasing the temperature will cause an increase in the kinetic energy of molecules which will change its state to gas.