Answer:
- Help overcome anxiety.
Explanation:
An effective speech requires a passionate and confident speaker who possesses enough strength and courage to not only face the audience but convince them through his through research, knowledge, and communication skills required to effectively deliver the topic he/she is discussing.
As per the question, 'imagining oneself as a nervous yet successful speaker' functions as a tool to 'assist in overcoming anxiety(to face the crowd)' and presenting your ideas more confidently. This positive attitude would assist in convincing the audience more constructively(through efficiently conveying the ideas) and help evoke the desired response from them. 
 
        
             
        
        
        
A linguistic element that is added to the end of a word or base word is called a suffix. The correct answer is option A. Suffixes are connected at the end of the word in order to create a new word with a new meaning. Prefixes have the same function too, but prefixes are connected at the beginning of the word.
        
             
        
        
        
Answer:
The correct answer is option d.) the title of the encyclopedia and the page number where the quote appeared.
Explanation:
Of all the options given, the best option is D.
It would be much better if you could include more complete information such as an editor's name and the volume of the encyclopedia, but if you do not have this information you can leave it out of your citation.
But it would be best if you at least have the name of the encyclopedia and the page number where the quote comes from.
So we can say that the correct answer is option D.
 
        
                    
             
        
        
        
Answer: Inhale and exhale slowly
Hope this helps!!