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10 Cards in this Set

  • Front
  • Back
Average temperatures have climbed 1.4 degrees Fahrenheit around the world since 1880. T/F

1
a
China is feeling the affects the most. T/F

2
a
Arctic ice is rapidly disappearing, and the region may have its first completely ice-free summer by 2011 or earlier. T/F

3
a
Industrialization, deforestation, and pollution have greatly decreased atmospheric concentrations of water vapor, carbon dioxide, methane, and nitrous oxide, all greenhouse gases that help trap heat near Earth's surface. T/F

4
a
The Earth was formed about 4,540,000,000 years ago. T/F

5
a
The year ____ was the warmest of record.
A. 1995
B. 1982
C. 1998

6
a
About __% of the annual increase in atmospheric carbon dioxide is due to the burning of fossil fuels.
A. 33%
B. 75%
C. 92%

7
a
Motor vehicles (cars, trucks, buses, and scooters) account for __% of all transport-related energy use.
A. 80%
B. 50%
C. 20%

8
a
The current world population is 6,805,652,275. T/F

9
a
The last Ice Age began to recede about _____ years ago.
A. 100,000
B. 20,000
C. 200

10
a