If Earth warmed up, and more snow fell because of more water vapor in the atmosphere, and that snow then reduced Earth's temperature, which increased snow cover, then the initial increase in snow fall would be ________ feedback, while the continued
increase in snow fall would be ________ feedback.
A) negative; positive
B) positive; negative
C) negative; negative
D) positive; positive
E) both negative and positive; both negative and positive
Question 2
The width or horizontal extent of a typical mid-latitude low pressure system would be:
A) 1000 km. B) 10,000 km. C) 50 - 100 km. D) 20,000 km. E) 5 - 10 km.
