Answer:Astronomers estimate the age of the universe in two ways: 1) by looking for the oldest stars; and 2) by measuring the rate of expansion of the universe and extrapolating back to the Big Bang; just as crime detectives can trace the origin of a bullet from the holes in a wall.
Explanation:
Answer:
The correct answer is Introspection
Explanation:
From the given question, from the history of psychology, we can asses Dave's claim using what is called Introspection
Introspection refers to the training of participants to report elements of specific sensory experiences.
Introspection is also the scrutiny of one's personal feelings and conscious thoughts. In psychology, the process of introspection deals with exclusively on observation of one's mental state, while in the context of spirituality it may be called the examination of one's soul.