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.
Tropical deciduous forest in Bandhavgarh National Park, India
Research Methods
Gary Alvis, The Painted Hills, John Day Fossil Beds National Monument, Oregon.
The constitutional division of Powers Between the National Government and the States
Chimpanzee (Pan troglodytes), Gombe Stream National Park, Tanzania, Africa.