Huxley is commenting that most people in society prefer to live in "happy ignorance" as opposed to having knowledge. The stars, or truth, are "depressing."
This is because that many find the truth upsetting and would prefer to live in the dark. Huxley is saying that for many, ignorance is bliss.
        
             
        
        
        
It made her decide to investigate research laboratories.
        
             
        
        
        
Answer:
Es un número que denota la posición de un elemento perteneciente a una sucesión ordenada. Expresan el orden de los elementos dentro de una serie.
Explanation:
 
        
                    
             
        
        
        
Answer:
“Let freedom ring” is a phrase that is used many times to lead to an exciting conclusion.
Explanation:
used many times and leads to an exciting conclusion.