In these of unleaded fuel, you may use spark plugs until the electrode erodes away. Every-so-often, check the center electrode for a sharp edge. As slowly rounds off, file it sharp.
Admissions officers look first at test scores, the rigor of the courses you take, and your grades in those courses. After that, they are interested in a student's extracurricular activities -- in other words, how you spend your time outside of classes.
Overall, the content of your essay, not the spacing, should be the focus of your energy. 5 Tips for an Admissions Essay on Your Contribution to Campus Diversity College Admissions Essay on Diversity: Find tips, strategies, and samples if you plan to write about diversity in your college application.