Nan is an individual who enjoys working outside, taking care of park lands, planting trees, and building forest trails. which of holland's types best describes nan's interests?

The correct answer is known as realistic type of personality.

Being a realistic type of person, reveals your traits of being a person who loves to work with animals, tools, or machines, but you typically avoid social activities such as teaching, healing, and communicating with others. Another trait of a realistic person is having good skills in working with tools, mechanical or electrical drawings, machines, or plants and animals, lastly is a person, who values practical things you can see, touch, and use like plants and animals, tools, equipment, or machines; and Sees one's self as practical, mechanical, and realistic.