Answer:
Explore uses of more plentiful minerals.
Explanation:
Because the use of more can get us more items that can grow the population and interest.
 
        
             
        
        
        
Answer:
Explanation:
The 10% Rule means that when energy is passed in an ecosystem from one trophic level to the next, only ten percent of the energy will be passed on.
 
        
             
        
        
        
Answer:
What's your question?? sorry 
 
        
             
        
        
        
B. The nervous system collects and responds to information about the external and internal environment.
        
             
        
        
        
The hero changes from being happy to depressed or unhappy