Examlex
The most recent time that water appears to have flowed on Mars, if only briefly, is during the
Geographic Distribution
The manner in which a particular natural feature, population, or resource is spread out across the Earth's surface.
Eroded Away
The process by which natural forces remove and transport soil, rock, or other material from one location to another.
Geologic Timescale
A system of chronological dating that relates geological strata to time, used by geologists to describe the timing and relationships of events in Earth's history.
Cenozoic
The current geological era, beginning about 66 million years ago, characterized by the significant development of mammals and birds following the extinction of dinosaurs.
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