According to the U.S. National Research Council of the National Academy of Sciences, which of the following is not a predicted outcome for each Celsius degree increase in global temperature?
A) 5 to 15 increase in crop yields (as currently grown)
B) 3 to 10 increase in rainfall during heaviest precipitation events
C) 25 decrease in Arctic summer sea ice
D) 200 to 400 increase in area burned by wildfire
Question 2
Global average air temperatures worldwide
A) have appeared to stabilize after a century of increase.
B) are at present demonstrating no apparent trend one way or another.
C) are being influenced by human-induced changes in the greenhouse effect.
D) are generally lower than 20 years ago.
