Given how many times intelligent civilizations could have ...

[appyboo]

Given how many times intelligent civilizations could have appeared over the universe's history, it is most likely that if other civilizations exist, they will
 
  A) be slightly less advanced than us
  B) be much less advanced than us
  C) have about the same level of technology as us
  D) be much more advanced than us

Question 2

Name five different types of radiation detectors.
 
  What will be an ideal response?

[babybsemail]

Answer to Question 1

D

Answer to Question 2

Geiger counter, scintillation counter, solid state detector, bubble chamber, spark chamber.

[appyboo]

Gracias!

[kusterl]

Thanks for the timely response, appreciate it