Author Question: Melting permafrost is expected to release carbon dioxide into the air, promoting further warming. ... (Read 56 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?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

For a complete list of videos, visit our video library