Define intelligent civilization according to Drake. What will ...

[Zulu123]

Define intelligent civilization according to Drake.
 
  What will be an ideal response?

Question 2

Why have very few planets with low mass (comparable to Mars or Mercury) been found?
 
  A) These small planets are very rare.
  B) Low mass planets do not produce large enough radial velocity changes in their stars.
  C) High mass planets are blocking our views of low mass planets.
  D) Hot Jupiters have ejected most low mass planets from their solar systems.
  E) Low mass planets are too far from their parent stars to receive enough light to make them visible from Earth.

[Swizqar]

Answer to Question 1

Drake defined a technological civilization as a species capable of developing the technology to communicate with other species throughout the Galaxy.

Answer to Question 2

B

[Zulu123]

Excellent

[debra928]

TYSM