B Brandi K New member Nov 3, 2010 #1 I'm suppose to "Describe four unique geological and/or historical planetary events (this is referring to Mercury) that would help tourists to understand the similarities and differences in geological histories compared to Earth.
I'm suppose to "Describe four unique geological and/or historical planetary events (this is referring to Mercury) that would help tourists to understand the similarities and differences in geological histories compared to Earth.
