Answer:
Explanation:
1) Psychological barriers Is
We "tune out" others’ ideas that run counter to our own preconceived thoughts.
2) Physical Barriers 
We find it difficult to listen because of impediments such as hearing loss, poor acoustics, or fatigue.
3) You can counter the effects of thought speed listening barriers by: controlling your surrounding.
4) You can improve your listening if you concentrate on what the speaker is saying.
5) From the scenario described
Thought speed
Nonverbal distractions
Faking attention
Are the notable listening barriers.
6) The things that will help the listener mentioned into the scenario to listen more effectively includes to:
Judge ideas, not appearances
Focus on nonverbal signals
Keep an open mind
Control his surroundings
 
        
             
        
        
        
The existence of aliens is an example of his "belief".
Belief is the perspective in which a man thinks something to be the situation with or without there being empirical evidence to demonstrate that something is the situation with verifiable sureness. Another method for characterizing conviction considers it to be a psychological portrayal of a demeanor decidedly situated towards the probability of something being valid.
 
        
             
        
        
        
<span>Bolivar led revolutions in South American countries ending Spanish colonial rule there.</span>
        
             
        
        
        
D
Explanation:
I think it's D the symbols and words not really sure