Answer:
C
Explanation:
C is the best answer. The endocrine system releases and controls hormones, which are basically just signals sent through the body.
These hormones regulate homeostasis, which is how your body stays at regular levels / stays the same. It keeps your body at steady conditions.
 
        
                    
             
        
        
        
Answer:
The Soviet Nation attempted to
 
        
             
        
        
        
Answer:
A solution that is 0.10 M HCN and 0.10 M LiCN
Explanation:
- A good buffer system contains a weak acid and its salt or a weak base and its salt. 
- In this case; A solution that is 0.10 M HCN and 0.10 M LiCN, would make a good buffer system. 
- HCN is a weak acid, while LiCN is a salt of the weak acid, that is, CN- conjugate of the acid.
 
        
             
        
        
        
A flight simulator that helps astronauts prepare for a shuttle launch is an example of a Scientific Model.
        
                    
             
        
        
        
Answer:
Un enlace químico es una atracción duradera entre átomos, iones o moléculas que permite la formación de compuestos químicos.
Explanation: