The key answer of exercise 8
The key to exercise solutions in chapter 5a - Reading for the textbook On Screen B1+ - Student's Book with authors Virginia Evans and Jenny Dooley from Express Publishing
Question
What is the author's purpose in writing this article? How successful do you think he / she has been?
Answer
The author's purpose is to highlight a problem that not many people may know about and give information about what effects it has and what we can do to help solve the problem. I think he / she has been very successful.