Question 1
Vast, circular to elliptical dark-colored areas on the moon called maria represent ________.
◦ very large impact craters filled with basaltic lava
◦ remnant highlands produced from a time when the moon was entirely molten
◦ large volcanos
◦ large lowlands that were sea-beds when the moon had water
Question 2
Which of these lunar features is the oldest?
◦ maria basins
◦ rayed craters like Copernicus
◦ lunar highlands
◦ lunar soil