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.


Answer: B

Environmental & Atmospheric Sciences

You might also like to view...

Explain how algae blooms form and how they contribute to the creation of dead zones.

What will be an ideal response?

Environmental & Atmospheric Sciences

Which of the following environmental philosophies is currently the most conventional?

A) conservation B) environmental ethics C) deep ecology D) ecofeminism E) preservation

Environmental & Atmospheric Sciences

Red blood cells and white blood cells are produced in

A. spongy bone. B. red bone marrow. C. yellow bone marrow. D. compact bone.

Environmental & Atmospheric Sciences

The Senkaku/Diaoyu Islands represent the contested sovereignty of these three nations

A) The Philippines, Indonesia, Australia B) Japan, Russia, The People's Republic of China C) The People's Republic of China, the Republic of China (Taiwan), Japan D) The People's Republic of China, the Republic of China (Taiwan), Australia E) The People's Republic of China, the Republic of China (Taiwan), Russia

Environmental & Atmospheric Sciences