How much are global surface temperature expected to increase by the year 2100 if humans follow a "business-as-usual" scenario?
A) 2°C
B) 2.5°C
C) 3°C
D) 3.5°C
E) 4°C
E
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You are hopping on boulders beside a quiet stream that runs through a V-shaped valley. How did the boulders get there? The boulders were likely
A) carried in the stream then deposited at the stream bank. B) produced when chemical weathering broke up the rock along the sides of the valley. C) deposited along the stream bank by wind. D) none of the above
Define and explain the differences between forecast quality and forecast value
What will be an ideal response?
Which of the following is typically erupted from a volcano?
A. scalding hot ash, lava, and gases B. large quantities of liquid water C. ice and snow, combined with steam
The two main types of glaciers are ________ glaciers
A) alpine and continental B) moraine and alpine C) valley and continental D) firn and continental E) cirque and alpine