The correct option is this: WRITING IS DIFFICULT BECAUSE SO MANY SKILLS ARE INVOLVED.
A topic sentence refers to the sentence which expresses the main idea of the paragraph in which it occurs. The topic sentence is usually the opening sentence in the paragraph; the other sentences in the paragraph just serve to support the topic sentence.
Answer:the 3 one
Explanation:
Mount Rushmore is a great monument honoring U.S. presidents.
The theme develop because in the whole story it's basically tell us to listen and follow directions this why we will have a better chance of doing things and a better outcome
