If the Earth were in a cooling trend, which process below would most likely act as a positive feedback mechanism?

a. increasing the snow cover around the Earth
b. increasing the water vapor content of the air
c. decreasing the amount of low stratified cloud cover around the globe
d. increasing the carbon dioxide content of the air
e. decreasing snow cover in middle and high latitudes


ANSWER: a

Environmental & Atmospheric Sciences

You might also like to view...

Which of the following locations would form a metamorphic rock?

A. locations 3 and 4 B. locations 2 and 3 C. locations 5 and 6 D. locations 1, 2, and 3 E. locations 1 and 2

Environmental & Atmospheric Sciences

The fundamental period of a building is:

a. highest in tall buildings b. highest in low buildings c. depends on the geology of the site d. varies with distance from the epicenter

Environmental & Atmospheric Sciences

In general, compared with soils on gentle slopes, soils on steep slopes will tend to be

A. more easily eroded. B. better developed. C. more clayey. D. more acidic.

Environmental & Atmospheric Sciences

With the Moon in this position, which area will experience high tide?

A. 1 B. 2 C. 3 D. 1 and 3 E. 2 and 4

Environmental & Atmospheric Sciences