D. Pea soup, which is my friend’s favorite, is very easy to make.
The nonessential information is that pea soup is her friend's favorite. The fact that it is her friend's favorite does not relate to how easy it is to make. In the other options, the information is essential. For A, it tells when it is important to know the directions. In Option B it explains why the dog must eat at the same time. In Option C, it tells why Kim is upset.
Organizing is a nonacademic skill.
Management is a personal skill and attitude towards something tangible or intangible like time, money, work, knowledge, health and etc. that purports to and is driven by a specific goal or purpose. Unlike, writing, which is a learned behavior that has become an attained skill was taught exteriorly. Close reading is also one learned behavior and as well as research. Management can be a learned behavior but not directly from academics since organizing and managing isn't limited to such spectrum. It may have been lectured at home by your parents or guardians or a colleague, even someone in authority.
D. brainstorming is the answer