The Moon's huge Mare Orientale basin has a twin on Mercury named: ...

[mmm]

The Moon's huge Mare Orientale basin has a twin on Mercury named:
 
  A) Galileo.
  B) Caloris.
  C) Mare Marineris.
  D) the weird terrain.
  E) Valhalla.

Question 2

While not yet observed in eruption, it is likely that ________ has active volcanoes; it certainly has one hemisphere greatly reworked by tectonic and volcanic forces.
 
  A) Dione
  B) Titan
  C) Enceladus
  D) Mimas
  E) Rhea

[gcook]

Answer to Question 1

B

Answer to Question 2

C

[mmm]

Excellent

[aruss1303]

Gracias!