Q: The Drake equation is a probabilistic argument used to estimate the number of active, communicative extraterrestrial civilizations in the Milky Way galaxy.

Answer this question: the drake equation is used to predict the number of?
A: active , communicative extraterrestrial civilizations in the Milky Way galaxy
Explain how we arrive at this answer:
Explanation: The relevant information is: The Drake equation is a probabilistic argument used to estimate the number of active, communicative extraterrestrial civilizations in the Milky Way galaxy.