MEA 101 Exam 3 EXAM QUESTIONS AND
VERIFIED CORRECT ANSWERS LATEST 2026-
2027 NEW VERSION
Which combination of conditions is best suited to the formation of glaciers? -
answer>>>High latitudes and/or high elevations
Which statement is true? - answer>>>Alpine glaciers are typically smaller and
younger than ice sheets
Which is the best estimate for the approximate thickness of ice in the largest ice
sheet on Earth today? - answer>>>4,300 meters
Drilling through the ice sheet on ___ has produced an ice core that contains ice up to
___ years old.
Scientists interpret the ice record to determine that the climate during this time was
made up of a sequence of ___ cold periods and ___ warm intervals. -
answer>>>Antarctica
800,000
long
short
The terminus of an alpine glacier is the ________________ point of a glacier. -
answer>>>lowest
Which statements are true?
Ice flows from the interior of ice sheets toward the ice sheets margins.
, -
Ice flows downslope in alpine glaciers. - answer>>>Both are true
Steep-walled valley where an alpine glacier typically originates - answer>>>Cirque
A deep crack in a glacier - answer>>>crevasse
A mass of rocks and sediment carried or deposited by a glacier - answer>>>moraine
A sharp peak that caps glaciated mountains - answer>>>horn
What is the name given to the sharp ridges that separate glacial valleys? -
answer>>>Aretes
Identify two processes of glacial erosion. - answer>>>Abrasion and plucking
Which of the following processes are all associated with the actions of glaciers? -
answer>>>Erosion, transportation and deposition.
Which is the best description of glacial till - answer>>>A mix of clay, sand, and
boulders left behind when ice melts
Identify the term that would best fill in the blank to complete the sentence that
follows. The terminus of an alpine glacier is the ________________ point of a
glacier. - answer>>>Lowest
A ridge made up of glacial till - answer>>>Moraine
A large rock transported by a glacier - answer>>>Erratic
, A sinuous ridge of sorted sedimetn - answer>>>Esker
A lake formed after a block of ice emlts - answer>>>Kettle
An oblong mound of unsorted glacial till - answer>>>Drumlin
What would happen to Earth's albedo during an ice age? - answer>>>The average
albedo of Earth's surface would increase.
The last ice age can be divided into ______________________________ and
____________________________. - answer>>>long cold glacials; short warm
interglacials
How often do ice ages occur in Earth's history and how long do they last? -
answer>>>At irregular intervals, approximately one every 200 million years and they
last for millions of years
Ice sheets covered much of the planet's surface to create a Snowball Earth condition
during the ___ Eon. The Karoo ice age was thought to be caused by ___ while the
more recent ___ ice age was due to changing climate patterns caused by a change in
___ . - answer>>>Proterozoic
continents located close to the South Pole
Pliocene‑Quaternary
ocean circulation
What proportion of incoming short wave solar radiation is accounted for by each of
the following processes?
Energy absorbed at Earth's surface
Energy absorbed by atmospheric gases and clouds
Energy reflected by atmospheric gases and clouds - answer>>>47%
VERIFIED CORRECT ANSWERS LATEST 2026-
2027 NEW VERSION
Which combination of conditions is best suited to the formation of glaciers? -
answer>>>High latitudes and/or high elevations
Which statement is true? - answer>>>Alpine glaciers are typically smaller and
younger than ice sheets
Which is the best estimate for the approximate thickness of ice in the largest ice
sheet on Earth today? - answer>>>4,300 meters
Drilling through the ice sheet on ___ has produced an ice core that contains ice up to
___ years old.
Scientists interpret the ice record to determine that the climate during this time was
made up of a sequence of ___ cold periods and ___ warm intervals. -
answer>>>Antarctica
800,000
long
short
The terminus of an alpine glacier is the ________________ point of a glacier. -
answer>>>lowest
Which statements are true?
Ice flows from the interior of ice sheets toward the ice sheets margins.
, -
Ice flows downslope in alpine glaciers. - answer>>>Both are true
Steep-walled valley where an alpine glacier typically originates - answer>>>Cirque
A deep crack in a glacier - answer>>>crevasse
A mass of rocks and sediment carried or deposited by a glacier - answer>>>moraine
A sharp peak that caps glaciated mountains - answer>>>horn
What is the name given to the sharp ridges that separate glacial valleys? -
answer>>>Aretes
Identify two processes of glacial erosion. - answer>>>Abrasion and plucking
Which of the following processes are all associated with the actions of glaciers? -
answer>>>Erosion, transportation and deposition.
Which is the best description of glacial till - answer>>>A mix of clay, sand, and
boulders left behind when ice melts
Identify the term that would best fill in the blank to complete the sentence that
follows. The terminus of an alpine glacier is the ________________ point of a
glacier. - answer>>>Lowest
A ridge made up of glacial till - answer>>>Moraine
A large rock transported by a glacier - answer>>>Erratic
, A sinuous ridge of sorted sedimetn - answer>>>Esker
A lake formed after a block of ice emlts - answer>>>Kettle
An oblong mound of unsorted glacial till - answer>>>Drumlin
What would happen to Earth's albedo during an ice age? - answer>>>The average
albedo of Earth's surface would increase.
The last ice age can be divided into ______________________________ and
____________________________. - answer>>>long cold glacials; short warm
interglacials
How often do ice ages occur in Earth's history and how long do they last? -
answer>>>At irregular intervals, approximately one every 200 million years and they
last for millions of years
Ice sheets covered much of the planet's surface to create a Snowball Earth condition
during the ___ Eon. The Karoo ice age was thought to be caused by ___ while the
more recent ___ ice age was due to changing climate patterns caused by a change in
___ . - answer>>>Proterozoic
continents located close to the South Pole
Pliocene‑Quaternary
ocean circulation
What proportion of incoming short wave solar radiation is accounted for by each of
the following processes?
Energy absorbed at Earth's surface
Energy absorbed by atmospheric gases and clouds
Energy reflected by atmospheric gases and clouds - answer>>>47%
