Presently, glaciers cover less than ____________________ percent of Earths land surface.
Fill in the blank with correct word.
Q. 2The use of global-scale technological fixes to counter climate change by either removing greenhouse gases from the atmosphere or by changing the amount of sunlight that reaches Earth is called ____.
a. the Kyoto Protocol
b. geoengineering
c. radiative forcing
d. radiative equilibrium
e. plate tectonics
Q. 3In an attempt to mitigate the impact humans have on the climate system, representatives from 160 countries met to work out a formal agreement, called the ____, to limit greenhouse gas emissions in industrialized nations.
a. Global Geoengineering Agreement
b. Canadian Protocol
c. International Solar and Wind Power Initiative
d. Intergovernmental Panel on Climate Change (IPCC) Assessment
e. Kyoto Protocol
Q. 4Climate models estimate that average global sea level will rise by an additional ____ or more by the end of this century
a. 510 cm (24 in.)
b. 2030 cm (812 in.)
c. 4060 cm (1624 in.)
d. 7090 cm (2835 in.)
e. 80100 cm (3140 in.)
Q. 5More than ____ percent of the energy trapped by increased greenhouse gases in recent decades has gone into the ocean rather than the atmosphere.
a. 50
b. 60
c. 70
d. 80
e. 90
Q. 6According to the Intergovernmental Panel on Climate Change (IPCC), extremely likely means a probability of at least ____ percent.
a. 25
b. 50
c. 75
d. 95
e. 100
Q. 7The average global surface air temperature since the since the late 1800s has risen by more than ____.
a. 0.2C
b. 0.4C
c. 0.5C
d. 0.8C
e. 1.2C
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