Respuesta :
Answer:
Either A guide to rain water harvesting, or MP3 players: The Pdos and Cons
Explanation:
With the rain water you would compare and contrast different ways of harvesting rain, and with the MP3 you would compare and contrast the advantages and disadvantages of an MP3 player.
Answer:
D) "MP3 Players: The Pros and Cons"
Explanation:
In this article, the author will most likely be using the structure "compare-and-contrast" because when stating the pros and cons, you will need to compare the good and the bad effects of the MP3 players.