The crowds of people who were climbing up the hill suddenly caught sight of the peach,a terrible monster,plunging down upon them.
I suggest either talking or emailing the person grading the exam or someone who could help you.
A. Simple
This is one independent clause so it is simple.
Compound is two independent
Complex is an independent and dependent
I don’t know what compound complex is but this sentence is simple
B. <span>The first paragraph discusses the idea that Americans are united as one despite their differences. The second paragraph discusses the idea that acts of intolerance make it difficult to believe that Americans are united as one.</span>
Something that is necessary is 'needed'.
