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 cloud cover around the globe
d. increasing the carbon dioxide content of the air
a
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Indicate whether the statement is true or false
A halo around the Sun is associated with an altocumulus cloud
Indicate whether the statement is true or false
The ____ is a vast sampling network of nearly 4,000 independently drifting sensors
A) ?Argo system B) ?chemical tracer C) ?drift bottles D) ?echo sounders
Green Revolution techniques ________
A) have increased crop yields but may not be sustainable B) focus on organic farming C) focus on sustainability D) have contributed to an increased diversity of foods in the human diet E) focus on preserving biodiversity