Here is the full question:
<span>Struggling, unpublished writers are sure that publishers, who seek out and publish new authors, are nonexistent.
Find and correct the error in this sentence
The correct sentence should be without the second comma:
</span>Struggling, unpublished writers are sure that publishers who seek out and publish new authors are nonexistent.
 publishers who seek out and publish new authors are nonexistent is a part of one clause that does not possess two different meaning, so it should not be separated by a comma.
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They have forever changed the modern schooling system and helped to build basic moral guidelines onto how to run/operate a school in a correct manner
        
             
        
        
        
Answer:
The correct answer is: Nonprice competition.
Explanation:
Nonprice competition is a marketing strategy or technique in which companies try to differentiate their products from competing products by emphasizing their products' attributes and characteristics rather than in the difference in the price. 
<u>The company's goal is to present the advantage that their product has over competing ones by pointing out the benefits and positive characteristics of said product.</u>
In this particular case, the products are promoted by emphasizing their key benefits, rather than setting the price lower than that of competitive goods. 
This emphasis on the products benefits illustrates a Nonprice competition strategy.
 
        
             
        
        
        
Answer:
they made their decisions by acclamation.