valleys
Due to the semicircular impact of sea waves on seashore, most sea beaches have curvature. This formation is the result of soil erosion by sea waves working as an erosional feature.
a buried erosional surface
parralel grooves
A mesa is an erosional feature consisting of a flat topped structure sitting above an eroded plain. A mountain usually has a rounded or pointed peak.
Cox Comb is not a recognised wind erosional feature, it is a LOCAL NAME given to an elongated series of ridges running along the Cottonwood Creek valley (in the Escalante National Monument - Utah), created by erosion of upwardly-pointing folded rock layers.
There are certain brands of sport watches produced by Nike that include gps systems. Specifically, those that do include this feature use Tom-Tom gps systems.
A volcano.
It is called a Column
sunspots
Yosemite Valley's creation can be credited to glaciation. When the glacier advanced and retreated, the valley was carved due to the contact between rock and ice.
At times, all the world's continents have been glaciated. A feature called 'inselberg' is often accepted as evidence of ancient glaciation unless some other explanation is more credible.
Water, specifically the ocean, is the most common physical feature near which people live.