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

Author Question: Discuss several issues glacial and periglacial environments may face during the 21st Century. ... (Read 176 times)

penza

  • Hero Member
  • *****
  • Posts: 1,022
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
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
Thanks for the timely response, appreciate it


adammoses97

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

For a complete list of videos, visit our video library