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2. From snow to glacier - new snow is very porous. The delicate points of the snowflake gradually evaporate. The resultanr water vapor condences near the center of the snowflake. The snowflakes grow smaller and sink. The snow then increases in density till it becomes glacier ice. As the ice crystal sinks lower, it becomes larger.
b. horn - has sharp pointed top. Named after the Matterhorn Alp in Switzerland. Has very little vegetation, hasn't weathered enough.
c. cirque - depression where glacier started, heaviest part of glacier
d. arete - narrow ridge between u - shaped valleys
b. kettle - created when a block of ice remains when the glaicer retreats. Many in Minnesota, "Land of 10,000 Lakes", should be 1,000 lakes and 9,900 kettle lakes.
c. esker - hill (ridge) of sorted outwash, sometimes known as a horse back ridge.