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

Author Question: Crevasses (deep fractures or cracks) form in glaciers because ________. (Read 74 times)

big1devin

  • Hero Member
  • *****
  • Posts: 583

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


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
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
Excellent


carlsona147

  • Member
  • Posts: 341
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

Your heart beats over 36 million times a year.

For a complete list of videos, visit our video library