Final answer:
Popular sovereignty is the idea that government power comes from and is subject to the people. The scientific method is a research method involving theory formation and testing. Philosophical relates to the study of existence, knowledge, and reality.
Step-by-step explanation:
- Popular sovereignty: This term refers to the idea that government power comes from and is subject to the people. It means that the ultimate authority lies with the citizens of a country.
- Scientific method: The scientific method is a research method that involves forming and testing a theory. It is a systematic and logical approach used by scientists to investigate phenomena and acquire knowledge.
- Philosophical: When something is described as philosophical, it means it is related to the study of the root of existence, knowledge, and reality. It deals with deep questions and examines fundamental principles of the world.
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