Question

a good topic sentence performs tow basic functions?​

Answer 1

Answer:

Topic Sentence: There are many reasons why pollution in ABC Town is the worst in the world. The topic is "pollution in ABC Town is the worst in the world" and the controlling idea is "many reasons."

Answer 2

Answer:

A topic sentence has several important functions:

• it substantiates or supports an essay's thesis statement
• it unifies the content of a paragraph and directs the order of the sentences
• it advises the reader of the subject to be discussed and how the paragraph will discuss it.