GEOG 203 Final UPDATED Actual Exam Questions and CORRECT Answers
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Course
GEOG 203
Institution
GEOG 203
GEOG 203 Final UPDATED Actual Exam
Questions and CORRECT Answers
Glaciers - CORRECT ANSWER- Glaciers play a huge role in shaping the landscape.
They are the most effective erosional agent on the Earth.
Glacial Erosion - CORRECT ANSWER- A mechanical action performed by glaciers.
Erosion - COR...
GEOG 203 Final UPDATED Actual Exam
Questions and CORRECT Answers
Glaciers - CORRECT ANSWER- ✔✔Glaciers play a huge role in shaping the landscape.
They are the most effective erosional agent on the Earth.
Glacial Erosion - CORRECT ANSWER- ✔✔A mechanical action performed by glaciers.
Erosion - CORRECT ANSWER- ✔✔Removal and subsequent transport and deposition of
sediments across the landscape.
Glacial Landforms - CORRECT ANSWER- ✔✔Natural features of Earth's surface shaped
the landscape.
Erosional Landforms - CORRECT ANSWER- ✔✔Erosional Landforms are the result of the
Glacial erosion (Example: Cirque); its a landform shaped by whats left after the glacier has
eroded sediments away.
Depositional Landforms - CORRECT ANSWER- ✔✔Depositional Landforms are the result
of deposits made by glaciers (example: moraine); Its a landform created by the material that
was eroded by glaciers and deposited to form a new landform.
Proglacial Lake - CORRECT ANSWER- ✔✔Lake located in front of a glacier formed by
melting of ice during summertime.
Iceberg - CORRECT ANSWER- ✔✔Chuck of ice that was detached from a glacier and floats
in water.
Alpine Glacier - CORRECT ANSWER- ✔✔Glaciers that are geographically constrained to
mountain ranges and their valley, they are considered regular glaciers.
, Ice Sheets are not constrained by topography: They are "Sheets" of Ice that cover large
amounts of land (>50,000 km2)
Ice Formation - CORRECT ANSWER- ✔✔1) Snowflake-> Falls on top of snow
2) Granular Snow (or neve)-> more dense snow that is created after many months: everyday,
snow thaws during daytime because of sunlight, and freezes at night; over time the snow
becomes more dense
3) Firn-> after ~1 year, neve becomes Firn (when a complete summer and winter cycle has
been completed) and the neve has compacted to become icy because of increasing pressure
from snow and neve accumulating above
4) Glacial Ice
Glaciers and Ice sheets apply tons of weight and pressure to the ground underneath.
Ice Flow - CORRECT ANSWER- ✔✔Dues to pressure applied to the bottom layer of ice, it
will begin to melt a little bit, causing glacier flow slowly (Like a viscous liquid)
3 Zones:
1) Zone of Accumulation
2) Firn Limit
3) Zone of Ablation
If accumulation> ablation Glacier grows and moves downward.
If ablation> Accumulation glacier seems to shrink back up the mountain
If Ablation= Accumulation, the size will remain unchanged
Basal Sliding - CORRECT ANSWER- ✔✔Ice flow only for warm glaciers, AKA Alpine
glaciers
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