Which of the Following Statements Best Reflects Our Current Knowledge

question 47

Multiple Choice

Which of the following statements best reflects our current knowledge about the term ( f_life in the equation Number of Civilizations = N HP × ( f_life × f_civilization × f now?

• A) The value of f_life is either 0 or 1.
• B) The value of f_life is between 0 and 1.
• C) The value of f_life is less than 0.0000001 .
• D) The value of f_life is equal to 1/2.
• E) The value of f_life is greater than 10.

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Definitions:

Subliminal Perception

The processing of information by the brain that occurs below the level of conscious awareness.

Cochlea

A spiral-shaped, fluid-filled inner ear structure critical for converting sound vibrations into electrical signals interpreted by the brain as sound.

Membrane

A thin layer of tissue that surrounds or lines cells, organs, and other structures within the body, acting as a barrier to control the passage of substances.

Pain

A distressing feeling often caused by intense or damaging stimuli, and is both a physical sensation and an emotional experience.