Describe three different samples that can be used to test for poisons. What are the advantages and disadvantages of these samples?

Sonja is writing an essay about becoming a preschool teacher. complete it by correctly filling in the missing information. out of all the career choices in the career cluster, i'd like to be a preschool teacher. i love working with children, and i think it would be a rewarding career in which i could create lessons and the students prepare socially and academically for kindergarten. in order to become a preschool teacher, i'll need to complete high school and it'll also be important to work on my creativity, interpersonal, and organizational skills. i know that when i work hard to complete the academic requirements, i'll be prepared for the career path that interests me most.