This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: During the most recent glacial advance, which peaked at 21,000 years ago, how much of North America ... (Read 78 times)

Mimi

  • Hero Member
  • *****
  • Posts: 542
on: Jul 16, 2018
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
Reply #1 on: Jul 16, 2018
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.


Mimi

  • Hero Member
  • *****
  • Posts: 542
Reply #2 on: Jul 16, 2018
Thank you


fdliggud

  • Sr. Member
  • ****
  • Posts: 366
Reply #3 on: Jul 16, 2018
No problemo


« previous next »
 

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

North Pacific right whale North Pacific right whale
Poverty rates have declined in the last 50 years, and the biggest decline has been for people 65 and ... Poverty rates have declined in the last 50 years, and the biggest decline has been for people 65 and ...
Recent history of biochemistry shown by the introduction of new techniques. (part 2) Recent history of biochemistry shown by the introduction of new techniques. (part 2)
An overlapping record extends back thousands of years of tree ring width An overlapping record extends back thousands of years of tree ring width
Canada is set to become the Saudi Arabia of the north Canada is set to become the Saudi Arabia of the north
Earth 65 Million Years Ago Earth 65 Million Years Ago
Video: ADH and the arterioles, kidneys, sweat glands and the Atrial natriuretic peptide (ANP)

For a complete list of videos, visit our video library