Answer: B
Explanation:
i think B because it sounds the most right and the other ones jsut don’t make sense 
 
        
             
        
        
        
Answer:
It should be change in behavior because they moved underground
 
        
             
        
        
        
It is a scientific name whereby each species receives Latin or Latinized name of two parts. The first indicating genus and the second being a specific name.
        
             
        
        
        
The slightest change in pH can destroy the substance or organism. The pH of a cell's interior helps regulate the cell's chemical reactions. For example, the pH of blood is 7.4, if blood falls to 6.8 or lower or 8.2 or higher, it results in death.
        
             
        
        
        
Answer:
The correct answer is option c."niche-picking".
Explanation:
Niche picking is a psychological term used to describe the tendency of people choosing environments that complement their hereditary abilities, including making friends who share their abilities and interests. Marvin practice of choosing circumstances where he can practice his natural skills in playing hockey is an example of niche picking.