<u>Answer:</u> 
The Acquired Immune Deficiency Syndrome (AIDS) was clinically identified as a fatal disease in 198.1 decade.
<u>Explanation: </u> 
AIDS which is a pandemic globally, is caused by a communicable virus called Human Immunodeficiency (HIV) Virus. In US, the first five cases were clinically exposed on 5th June, 1981. HIV majorly spreads from one to the other through three routes namely sexual contact, transmission through body fluids or from mother to fetus via pregnancy/ delivery/ breast-feeding. Vaccines that offer partial protection exists but there is no permanent cure for this disease.
 
        
             
        
        
        
It's D) cognitive because she is imitating things around her.
        
                    
             
        
        
        
Under certain circumstances, bacteria can divide several times an hour. In ideal conditions, bacteria can divide around 100 times and produce millions of bacterial cells in a couple hours.
        
             
        
        
        
The correct answers are A. be hopeful and B. be positive
        
                    
             
        
        
        
Obesity is a health concern due to it being in the top 10 leading causes of death in America.
Currently, in 2017, 157K people in the United States have died due to obesity.
In 2016, the obesity rate was over 38% in adults and 17% for teenagers. 
I hope this helps!