Answer:
Homeostasis.
Explanation:
Homeostasis is the ability (of an organism) to keep constant its internal environment, temperature, pH, or other internal factors.
I hope this helps!
-Bella
<em>BrainlyBluebell</em>
 
        
             
        
        
        
I want to say From the age 1 1/2 to the age 3 1/2 but I’m not sure
        
                    
             
        
        
        
Answer:
j would say both 
Explanation:
because problems can get in the way of things but they can also help you grow and develop 
 
        
                    
             
        
        
        
Smallpox is the only human disease to have been eradicated by vaccination. The last case was in <span>Somalia in 1977 and was successfully eradicated. Now we have been smallpox free for 30 years!</span>