First, make a list of all of the Characteristics of the Lifespan Developmental Approach, as presented in Chapter One of the required textbook. Then, briefly, but clearly, completely, accurately and precisetly, explain each one. Finally, select one element of Your Letter to My Younger Self and explain this element using at least one of these Characteristics. I have attached " letter to my younger self" for reference. ( Please let me know if you need anything from the text book ) Text book: A Topical Approach to Life - Span Development 9th edition by: John W. Santrock Please use BASIC English.