This topic contains a solution. Click here to go to the answer

Author Question: During the most recent glacial advance, which peaked at 21,000 years ago, how much of North America ... (Read 92 times)

Mimi

  • Hero Member
  • *****
  • Posts: 542
During the most recent glacial advance, which peaked at 21,000 years ago, how much of North America was covered with ice?
 
  What will be an ideal response?

Question 2

Describe the features left behind after an ice sheet retreats from a region.
 
  What will be an ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

fdliggud

  • Sr. Member
  • ****
  • Posts: 366
Answer to Question 1

Glaciers covered 16 million square kilometers or roughly 2/3rds of North America.

Answer to Question 2

Large areas of scoured, plucked, and abraded rock surfaces.
Large areas that are thickly covered with till.
Molding of the landscape by glacier flow to form streamlined ridges that parallel the direction of glacier movement.
Landscapes with countless lakes.





 

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

For a complete list of videos, visit our video library