« previous next »

Author Question: Which of the following has been sited as a positive feedback loop involving the thawing of ... (Read 93 times)

jasdeep_brar

  • Hero Member
  • *****
  • Posts: 569
on: Jul 14, 2018
Which of the following has been sited as a positive feedback loop involving the thawing of permafrost?
 
  A) Thawing of permafrost will increase albedo, leading to more warming.
  B) Thawing of permafrost will release vast amounts of carbon to the atmosphere, accelerating warming.
  C) Thawing of permafrost will contribute to sea level rise, which will further reduce overall global albedo values.
  D) Thawing of permafrost will inhibit frost wedging action on large boulders, altering absorption ability.

Question 2

Captain Kittenger came close to the speed of sound during his record-breaking sky dive.
 
  Indicate whether the statement is true or false


jessofishing

  • Sr. Member
  • ****
  • Posts: 329
Reply #1 on: Jul 14, 2018
Answer to Question 1

B

Answer to Question 2

TRUE


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

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?

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.

Negative feedback control of a regulated variable. Negative feedback control of a regulated variable.
Positive and negative selection during T-cell development. Positive and negative selection during T-cell development.
The “inside positive” rule The “inside positive” rule
A mechanism for peptidyltransferase involving A2451 (E. coli) as a general base A mechanism for peptidyltransferase involving A2451 (E. coli) as a general base
Positive and Negative Punishment Positive and Negative Punishment
Inheritance patterns in three crosses involving the agouti allele Inheritance patterns in three crosses involving the agouti allele
Video: Requirements for nervous signals

For a complete list of videos, visit our video library