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

Author Question: Discuss several issues glacial and periglacial environments may face during the 21st Century. ... (Read 127 times)

penza

  • Hero Member
  • *****
  • Posts: 1,022
on: Jul 14, 2018
Discuss several issues glacial and periglacial environments may face during the 21st Century.
 
  What will be an ideal response?

Question 2

Of the elements in the Earth's crusts, ________ makes up the most of the Earth's crust by weight.
 
  A) silicon (Si)
  B) aluminum (Al)
  C) oxygen (O)
  D) iron (Fe)


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Brenm

  • Sr. Member
  • ****
  • Posts: 359
Reply #1 on: Jul 14, 2018
Answer to Question 1

Answers will vary. The main broad issue facing both glacial and periglacial environments is global climate change. Many affects of these changes are already present, such as melting sea ice; reduced surface ice; melting permafrost; break-up of ice sheets, etc. These will continue to be an issue throughout the 21st Century.

Answer to Question 2

C


penza

  • Member
  • Posts: 1,022
Reply 2 on: Jul 14, 2018
Gracias!

marict

  • Member
  • Posts: 304
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Everyone has one nostril that is larger than the other.

Martian geological features, such as the "Face on Mars", sometimes trigger facial pareidol Martian geological features, such as the "Face on Mars", sometimes trigger facial pareidol
Face Mites Face Mites
Blending inheritance formed the basis of nineteenth-century critiques of evolution by natural select Blending inheritance formed the basis of nineteenth-century critiques of evolution by natural select
The Last Century Trends The Last Century Trends
The Last Century Trends The Last Century Trends
Redrape the back, face the head of the table, and apply passive touch as finishing technique. Gently ... Redrape the back, face the head of the table, and apply passive touch as finishing technique. Gently ...
Video: Structures that affect circulation - kidneys, blood volume and venous tone

For a complete list of videos, visit our video library