Answer:
d
Explanation:
is the most professional obviously
 
        
             
        
        
        
This one is kinda hard. I would say B or C.  Use the one you would use in a paragraph about it.
        
                    
             
        
        
        
Science is the study of the natural world based through experiments and observation. Pseudoscience on the other hand is a system of theories, assumptions, and methods that are regarded as scientific. They both present information but Science is based on facts while Pseudoscience does not adhere to any scientific method.