Which of the following statements best reflects our current knowledge about the term ( f )life in the equation Number of Civilizations == Np × flife × fcivilization × fnow?
A)The value of ( f )life must be either 0 percent or 100 percent.
B)The value of ( f )life is between 0 percent and 100 percent.
C)The value of ( f )life is between 0 percent and 1 percent.
D)The value of ( f )life is roughly 50 percent.
E)The value of ( f )life is presently unknown but should be well known within just a few years.

Question

Quizplus · Accepted Answer

Currently, we do not have enough information to definitively determine the value of ( f )life, but it is believed to be between 0 percent and 100 percent. We simply do not know at this point in time the likelihood that life will form on a given planet.

Which of the Following Statements Best Reflects Our Current Knowledge