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

Author Question: Crevasses (deep fractures or cracks) form in glaciers because ________. (Read 73 times)

big1devin

  • Hero Member
  • *****
  • Posts: 583
on: Feb 28, 2020

Question 1

Which one of the following applies to a valley glacier that lengthens (extends the position of its terminus downslope over a period of many years?
◦ accumulation exceeds wastage
◦ accumulation and wastage are about equal
◦ wastage exceeds accumulation
◦ none of the above

Question 2

Crevasses (deep fractures or cracks) form in glaciers because ________.
◦ there is not always the same amount of ice available in all areas so cracks form when the ice tries to move and fill in empty parts of the glacier
◦ not all of the ice in a glacier moves downhill at the same rate in the glacier
◦ as the glacier moves over irregular topography, cracks can form anywhere in the glacier but they are called "crevasses" only if they are near the surface
◦ as the glacier moves over irregular topography the bottom of the glacier (known as the zone of fracture) cracks and the cracks propagate upward to the surface of the glacier
◦ as the glacier moves over irregular topography, the brittle upper layer or zone of fracture is subject to tension and cracks above the ductile layer
Earth Science ¦ Tarbuck, Lutgens, Tasa ¦ 15th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by big1devin on Feb 28, 2020

jomama

  • Sr. Member
  • ****
  • Posts: 346
Reply #1 on: Feb 28, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 35% of students answer this correctly


big1devin

  • Member
  • Posts: 583
Reply 2 on: Feb 28, 2020
Gracias!

dyrone

  • Member
  • Posts: 322
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Many fathers and infants form secure attachments. Fathers’ style of interaction differs somewhat ... Many fathers and infants form secure attachments. Fathers’ style of interaction differs somewhat ...
Apply deep effleurage to triceps. Position arm with elbow pointing upward to access the triceps ... Apply deep effleurage to triceps. Position arm with elbow pointing upward to access the triceps ...
Deep-well injection Deep-well injection
Western boundary currents form where gyres are confined by continents Western boundary currents form where gyres are confined by continents
Classification of Clouds According to Height and Form Classification of Clouds According to Height and Form
Dry outgrowths of the ovary wall of a maple (Acer) fruit form “wings” that catch the wind and ... Dry outgrowths of the ovary wall of a maple (Acer) fruit form “wings” that catch the wind and ...
Video: Natural Selection, Species Isolation and Real World Example

For a complete list of videos, visit our video library