The author is J.K.Rowling’s
Answer:
21. D
23.C( not so sure about this one)
Explanation:
All the sentences in a paragraph should be unified and coherent.
Answer: sentences
From the topic sentence to the concluding sentence, they need to be unified and coherent for the writer to truly get their point across as it was intended.
Hope this helps! :)
D. Native Americans are engaged in ongoing struggles for rights