Answer:
The requirements for a doctoral degree in psychology are five to seven years of graduate study, a comprehensive exam, and a dissertation and/or clinical work. Some career opportunities are Mathematician or Statistician, Biologist, Healthcare Administrator, Speech, Language, and Audiology Clinician, Researcher, or Scientist, Professor, School or University Administrator etc.
Explanation:
Answer:
To allow for the passage of light in a microscope.
