The correct answer is modified block.
The two most common formats for a business letter are block and modified block. In block style the business letter has all its text formatted and justified left, in modified block there is a change in the style's format of the details about the sender, receiver, date, address, these details are formatted in centre.
State the author what the book is about and the main idea
Answer:TRUE!
Explanation:
A thesis should be specific encasing what your paper will be about