The answer is C)  researchers employed by the environmental protection agency 
 
        
                    
             
        
        
        
Maybe you could drop a ball?
        
             
        
        
        
Answer:
False. Closing mines has economic impact on communities.
Explanation:
- Economy is impacted by any hindrance in activities of production,distribution and consumption of any good or services.
- So, closing mines too has great impact in economic sector of that certain area. 
- In many countries, mining has been the major source of economy and job opportunities for the community people. 
- Closing these mines results in downfall of economy and increased unemployment in that particular community.
 
        
             
        
        
        
Essential amino acids are amino acids that must be supplied to one's body by their diet because they cannot be synthesized from scratch. 
        
             
        
        
        
What is this animal and i can answer it