Sandbars swirl beneath Oregon Inlet in Cape Hatteras National Seashore on North Carolina's Outer Banks. Waves driven by ocean winds can cause the sandbars here to shift and change literally by the ...

Erosion is the process that wears away the river bed and banks. Erosion also breaks up the rocks that are carried by the river. Landslides are occasional, rapid movements of a mass of earth or ...

Exposed rocks along the coastline can be broken down by the processes of weathering. Freeze-thaw weathering occurs when rocks are porous (contain holes) or permeable (allow water to pass through).

“The investigated areas are currently arid, but experience occasional rain showers ... composition of rock samples from inside the burrows showed that whatever made them had to have been alive. “As no ...