Internet (youtube for example)
        
             
        
        
        
Answer:
x = 0
Explanation:
a = 10
x + a = 10
Substituting a = 10 in equation,
=> x + 10 = 10
=> x = 10 - 10
=> x = 0
  
        
                    
             
        
        
        
We can actually see here that all of the choices are correct. The answer is option D.
<h3>What is sentence structure?</h3>
Sentence structure refers to the way a sentence is organised or arranged in order to pass across the information it carries.
Here are the options that complete the question:
A. Simple sentences 
B. Compound sentences 
C. Compound-complex sentences
D. All of the choices are correct.
We see that options A - C are all sentences which have a definite structure. Thus, all of the above are correct.
Learn more about sentence structure on brainly.com/question/24320025
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The answer would be a references page.
        
             
        
        
        
Treaty of Versailles
Hitlers reign
Joseph Stalin taking over the soviet union<span />