Which of the following cases in the Drake equation would be the minimum necessary condition for us to be the only intelligent civilization currently in our galaxy?
A) any two of the factors to be zero
B) any three of the factors to be zero
C) all of the factors to be zero
D) any one of the factors to be zero

Question

Quizplus · Accepted Answer

If any one of the factors in the Drake equation is zero, then it would mean that the possibility of intelligent life existing in our galaxy is zero. Therefore, if any one of the factors is zero, then we would be the only intelligent civilization in our galaxy. The other choices (A, B, and C) would still allow for the possibility of intelligent life existing in our galaxy, just at a lower probability.

Which of the Following Cases in the Drake Equation Would