The most recent time that water appears to have flowed on Mars, if only briefly, is during the
A) Amazonian Era
B) Hadean Era
C) Noachian Era
D) Hesperian Era

Question

Quizplus · Accepted Answer

The Amazonian Era is the most recent geological era on Mars, and evidence suggests that water may have flowed on the Martian surface during this time, albeit briefly. This era follows the Hesperian Era and is characterized by a decrease in volcanic activity and water flow, but occasional and temporary water flow events are believed to have occurred.

The Most Recent Time That Water Appears to Have Flowed