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 182 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
:D TYSM

EAN94

  • Member
  • Posts: 307
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Cougar - Close-up front face Cougar - Close-up front face
Face Development in the Womb Face Development in the Womb
Wang Guochen, c. nineteenth century Wang Guochen, c. nineteenth century
Apply fascial mobilization in one direction using a palm. Stand to the side of the face cradle; ... Apply fascial mobilization in one direction using a palm. Stand to the side of the face cradle; ...
Gold-adorned Face Mask Gold-adorned Face Mask
World Regions in Global Context: Peoples, Places, and Environments World Regions in Global Context: Peoples, Places, and Environments
Video: Stimulus (introduction)

For a complete list of videos, visit our video library