An ocean of ____ has been photographed on the surface of Titan.
a. icy, slushy water
b. frozen water
c. water-smoothed rock
d. liquid hydrocarbons
e. liquid nitrogen
Question 2Which environment on Earth could possibly mimic conditions on other planets, and, therefore, be of scientific
interest?
a. open ocean surface waters
b. estuarine marsh ecosystems
c. dry Arctic rock environments
d. prairie grass ranges
e. tropical forest regions