To date, our serious searches for extraterrestrial life have been ...

[olgavictoria]

To date, our serious searches for extraterrestrial life have been done almost entirely:
 
  A) in Roswell and Gulf Breeze.
  B) with radio telescopes.
  C) with optical telescopes looking for nuclear tests.
  D) with microwaves in the giant molecular clouds.
  E) with infrared telescopes looking for greenhouse gases.

Question 2

What is interesting about Jupiter's rotation period?
 
  A) It is the same as Earth's.
  B) It is the same as its orbital period.
  C) It is the same as the Sun's.
  D) It is the slowest in the solar system.
  E) It is the fastest in the solar system.

[johnpizzaz]

Answer to Question 1

B

Answer to Question 2

E

[olgavictoria]

Excellent

[skipfourms123]

Gracias!