Author Question: Melting permafrost is expected to release carbon dioxide into the air, promoting further warming. ... (Read 57 times)

Deast7027

  • Hero Member
  • *****
  • Posts: 538
Melting permafrost is expected to release carbon dioxide into the air, promoting further warming. This is
 
  A) a negative feedback.
  B) a positive feedback.
  C) a direct thermal circulation.
  D) a parameterization.

Question 2

The warming experienced over the 20th century
 
  A) was uniform across the globe.
  B) is expected to be uniform across the globe in the 21st century.
  C) was not uniform across the globe.



ciecieme

  • Sr. Member
  • ****
  • Posts: 331
Answer to Question 1

Answer: B

Answer to Question 2

Answer: C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

For a complete list of videos, visit our video library