mass movements
What is the slow downhill flow of loose, weathered Earth materials, especially soils, called?
What is creep
Wearing away of a structure by wind and sand particles.
What is abrasion?
What is false.
The last continental ice age covered approximately what percent of Earth's surface?
What is 30%
Which is the underlying force that causes all forms of mass movements?
What is gravity.
What is earthquakes
What is a landslide.
Deflation blowouts are found in areas where there is little to no wind.
What is false.
Which particles can wind move most easily?
What is silt.
The coarse surface left behind after deflation is:
What is desert pavement.
What is soil
What does USGS mean?
What is the United States Geological Survey.
Moraines are formed when glaciers melt.
What is true.
About __________ avalanches occur in mountainous areas with thick accumulations of snow.
What is 10,000.
Which one is not a location in which more snow falls than melts?
What is both continental and valley glaciers.
Which mass movement is the fastest?
What is avalanche.
What are elongated landforms made of older moraines over which glaciers have moved?
What is drumlins.
Permafrost is the permanent frozen ground under Earth.
Which range of slope angles of slope is associated with producing an avalanche?
What is between 35% and 45%.
What does NOT affect the speed of a valley glaciers movement?
What is the internal chemistry of the glacier.
Which is not classified as a mass movement?
What is drumlins.
Valley glaciers scoop out deep depressions called:
What is cirques.
Ice melts and runs off to form eskers.
What is false.
Which formed the structure in the photo?
What is wind.
What type of dune is a solitary crescent shape?
What is a Barchan Dune.