Answer: Unconditioned stimulus 
Explanation: Stimulus which triggers a natural or automatic response are Unconditioned stimulus. They differ from learnt response or condition stimulus. The apprehension or fear response developed or triggered in Dylan occurred naturally as soon as the the his roommate blew the horn. The horn blown to trigger such natural response is called Unconditioned stimulus while the startling response shown by Dylan is the Unconditioned or unlearnt response. Been fearful or apprehensive can occur naturally in an individual when one encounters a sudden or scary situation. 
 
        
                    
             
        
        
        
Answer:
- go to bed at the same time every night
- close the curtains and keep the room dark
- start exercising every day
- do something relaxing before bed
Explanation:
Got it right on Edg.
 
        
                    
             
        
        
        
Answer:
Explanation:
Sharp disagreements can occur on the Supreme Court about how race can be used in school assignment plans because race is a politically tricky subject for it is also a matter of morals and not only law. Different justices see the same case differently because of how diverse their interpretations of the Constitution can be (to a certain extent).   
 
        
             
        
        
        
Answer:
It creates false sense of certainty 
Explanation:
Planning gives a false sense of confidence about the future which creates false sense of certainty 
 
        
             
        
        
        
Answer:  d)They have not defined happiness or how it will be measured.
Explanation: A survey is the record that is formed on the basis of through examination and observation of any particular situation or thing. The survey carried out by Magali and Jean has a major flaw because it does not have any certain parameter for measuring the rate of happiness in people present in the mall.
Other options are not appropriate to be a mistake in survey because people will not avoid the participation, the experimental survey data is valid and dependency is not based on population of people in mall.Thus, the correct option is option(d).