Tharsis Montes on Mars consists of three large shield volcanoes aligned NE-SW; which is NOT part of this group?
- Ascraeus Mons
- Pavonis Mons
- Arsia Mons
- Olympus Mons
Answer: Olympus Mons
Tharsis Montes includes Ascraeus, Pavonis, and Arsia; Olympus Mons lies northwest of Tharsis bulge as separate volcanic province.