Engineering MLA

Why have you chosen this major?

Write a story for a chemical engineering major. Write something interesting about how I liked engineering. how it started and who am I inspired of (my sis).
Make sure you write a story.
talk about how does my sister motivates me and supports to study engineering. and she frequently takes me with her to her work and shows me the details and narrate interesting stories about this major.
Add that I wanted to improve my country and to be one of the effective people in their country.