B, since none of the other answer choices seem correct.
        
                    
             
        
        
        
Answer:
1. Astronaut should be brave, determined, adaptable, and smart.
2. The atmosphere should be clean because if it isn't it can cause problems to the environment. Like global warming, it is harming the planet and our weather, etc.
Explanation:
 
        
             
        
        
        
the abstract noun of human is humanity
 
        
             
        
        
        
Answer:
A 
Explanation:
because UWU UWU UWU UWU UWU UWU UWU