Question

The art of letter writing seems to have declined sharply in recent years. Perhaps the rising cost of stationery and postage is a factor. Most people today are so busy with their jobs, their families and their hobbies that they do not feel they have time to write letters. To a certain extent, television and personal computers have replaced communicating with friends as a form of entertainment. The advent of the telephone and the use of e-mail, however are probably the most significant factor in the decrease of letter writing, because they give instant access to friends and loved ones. locate the topic sentence

Answer 1

Topic Sentence: Sentence 3

Paragraph Structure "Shape": Inverted Triangle

Pattern: Cause-Effect

Step-by-step explanation:

Trying to help everyone!

Answer 2

The art of letter writing seems to have declined sharply in recent years.

Step-by-step explanation:

A topic sentence (also called a focus sentence) is the most important sentence in a paragraph. It summarizes the main idea of the paragraph and plays an important role in its organization. It's often the first sentence (just like in this case).

The art of letter writing seems to have declined sharply in recent years summarizes the central idea of the given paragraph well. All of the following sentences are connected to it and expand the idea, telling us about possible causes of the phenomenon described in the first sentence.