a boundary line between land and water
an area of sand sloping down to the water of a sea or lake
a water current that travels near and parallel to the shoreline
The movement of sand or other sediments by short jumps and bounces that is caused by wind or water
a decrease in the general price level of goods and services
the wearing down of rock particles by friction due to water or wind or ice
a ridge of sand created by the wind
a fine-grained unstratified accumulation of clay and silt deposited by the wind
a large ice mass that moves slowly down a mountain or over land
a large floating mass of ice, detached from a glacier and carried out to sea.
A deep crack or fissure in the ice of a glacier.
the rock material carried and deposited by glaciers
rock material that has been sorted and deposited in layers by water flowing from the melted ice of a glacier
the mixture of sediments that a glacier deposits directly on the surface
the downhill movement of rock and soil because of gravity
a group of loose rocks that fall down a steep slope
a slide of a large mass of dirt and rock down a mountain or cliff
The rapid downhill movement of a mixture of water, rock, and soil.
the very slow downhill movement of rock and soil.
Please allow access to your computer’s microphone to use Voice Recording.
We can’t access your microphone!
Click the icon above to update your browser permissions and try again
Reload the page to try again!
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Your microphone is muted
For help fixing this issue, see this FAQ.