#1 is too vague and casual. #2 uses slang that wouldn't be used in a college application. #3 uses dated wording.
This leaves us with #4, which offers a personal reason for volunteering ("my grandfather had a heart attack") and is overall written formally. Thus, this would be the most appropriate style and tone for such an essay.
Same haha, ^^^^ he's right man
Answer:
1.Identify the problem you are researching on
2.Review the literature of the past work or related work on that same research
3.clarify the problem
4 clearly define term and concepts you would like to use to undergo your finds and draw you conclusions
5 define you population or target group
Explanation:
What do you mean listening? Elaborate a little?