Question 1

Glacial ice cores can be used to determine the atmospheric concentration of CO₂ during Earth's history.How do scientists come up with these data?

Accepted Answer

A)  They use the thickness of the ice layers to determine how much CO₂ was in the atmosphere.
B)  The melt the ice and measure how much carbon was trapped in the ice.
C)  They record changes in the shape of ice crystals to determine the paleoclimate.
D)  They break the ice apart,release the air trapped in bubbles,and then measure the gases.

Question 2

Which of the following figures is of glacial lake-bed deposits?

Accepted Answer

A)  a
B)  b
C)  c
D)  d

Question 3

The Milankovitch cycles describe the change in ________ because of changes in the ________ of Earth relative to the Sun.

Accepted Answer

A)  greenhouse gases;tilt
B)  eccentricity;orientation
C)  albedo;precession
D)  solar insolation;orientation

Question 4

A glacier will always advance from its source area if the rate of accumulation is greater than the rate of ________.

Accepted Answer

A)  subsidence
B)  erosion
C)  ablation
D)  uplift

Question 5

A hanging valley is formed when a ________.

Accepted Answer

A)  smaller glacially carved valley intersects with a larger glacially carved valley
B)  smaller stream-cut valley intersects with a larger stream-cut valley
C)  smaller stream-cut valley intersects with a larger glacially carved valley
D)  stream-cut valley is on the upthrust side of a normal fault

Question 6

A(n) ________ in eustatic sea level is ultimately the result of a ________ event.

Accepted Answer

A)  increase;global cooling
B)  increase;local uplift
C)  decrease;subsidence
D)  decrease;global cooling

Question 7

What types of moraines are shown in the figure below?

Accepted Answer

A)  medial moraines
B)  terminal moraines
C)  lateral moraines
D)  recessional moraines

Question 8

Identify the area where layered sediments have been deposited in the figure below.

Accepted Answer

A)  E
B)  C
C)  A
D)  F

Question 9

Using the figure below,identify which way the glacier advanced.

Accepted Answer

A)  north
B)  south
C)  east
D)  west

Question 10

By increasing the albedo of Earth,global ice sheets produce conditions that are ________ to their further advance,thus providing an example of ________ feedback.

Accepted Answer

A)  detrimental;positive
B)  detrimental;negative
C)  favorable;positive
D)  favorable;negative

Question 11

Moraines are composed of jumbled piles of very poorly sorted rock fragments ranging in size from boulder to clay that fall out near the edges of glaciers.Why are the larger particles (boulders,etc.) not broken down during transport in the glacier?

Accepted Answer

A)  because the ice is not strong enough to break up rock
B)  because sediments are picked up and carried along with the ice as it moves
C)  because the sediments are not carried for very long distances
D)  because the ice stops the chemical weathering processes

Exam 22: Amazing Ice: Glaciers and Ice Ages

Which of the following figures is of glacial lake-bed deposits?

Correct Answer
verified

Moraines are composed of jumbled piles of very poorly sorted rock fragments ranging in size from boulder to clay that fall out near the edges of glaciers.Why are the larger particles (boulders,etc.) not broken down during transport in the glacier?

Correct Answer
verified

Identify the area where layered sediments have been deposited in the figure below.

Correct Answer
verified

The Milankovitch cycles describe the change in because of changes in the of Earth relative to the Sun.

Correct Answer
verified

A(n) in eustatic sea level is ultimately the result of a event.

Correct Answer
verified

A glacier will always advance from its source area if the rate of accumulation is greater than the rate of ________.

Correct Answer
verified

A hanging valley is formed when a ________.

Correct Answer
verified

Using the figure below,identify which way the glacier advanced.

Correct Answer
verified

What types of moraines are shown in the figure below?

Correct Answer
verified

Glacial ice cores can be used to determine the atmospheric concentration of CO₂ during Earth's history.How do scientists come up with these data?

Correct Answer
verified

By increasing the albedo of Earth,global ice sheets produce conditions that are to their further advance,thus providing an example of feedback.

Correct Answer
verified

Exam 22: Amazing Ice: Glaciers and Ice Ages

Which of the following figures is of glacial lake-bed deposits?

Correct AnswerverifiedShow Answer

Moraines are composed of jumbled piles of very poorly sorted rock fragments ranging in size from boulder to clay that fall out near the edges of glaciers.Why are the larger particles (boulders,etc.) not broken down during transport in the glacier?

Correct AnswerverifiedShow Answer

Identify the area where layered sediments have been deposited in the figure below.

Correct AnswerverifiedShow Answer

The Milankovitch cycles describe the change in ________ because of changes in the ________ of Earth relative to the Sun.

Correct AnswerverifiedShow Answer

A(n) ________ in eustatic sea level is ultimately the result of a ________ event.

Correct AnswerverifiedShow Answer

A glacier will always advance from its source area if the rate of accumulation is greater than the rate of ________.

Correct AnswerverifiedShow Answer

A hanging valley is formed when a ________.

Correct AnswerverifiedShow Answer

Using the figure below,identify which way the glacier advanced.

Correct AnswerverifiedShow Answer

What types of moraines are shown in the figure below?

Correct AnswerverifiedShow Answer

Glacial ice cores can be used to determine the atmospheric concentration of CO₂ during Earth's history.How do scientists come up with these data?

Correct AnswerverifiedShow Answer

By increasing the albedo of Earth,global ice sheets produce conditions that are ________ to their further advance,thus providing an example of ________ feedback.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

The Milankovitch cycles describe the change in because of changes in the of Earth relative to the Sun.

Correct Answer
verified

A(n) in eustatic sea level is ultimately the result of a event.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

By increasing the albedo of Earth,global ice sheets produce conditions that are to their further advance,thus providing an example of feedback.

Correct Answer
verified