One atom of chlorine can destroy over ________________ molecules of ozone.
A. 100000
B. 10000
C. 25000
D. 1000
The first oil well was drilled in the United States in ________________.
A. 1829
B. 1859
C. 1929
D. 1959
The first Environmental Law in India was enacted in ___________________.
A. 1947
B. 1950
C. 1972
D. 1982
The average temperature of the earth is about ________________ degree F.
A. 57
B. 59
C. 67
D. 65
Hippocrates mentioned air pollution in ________________ BC.
A. 400
B. 500
C. 620
D. 354
Of all of the energy production in the United States, what percentage is lost in distribution and inefficient use?
A. 10
B. 25
C. 40
D. 50
The combined albedo of the earth and the atmosphere is approximately __________________ percent.
A. 4
B. 10
C. 30
D. 50
E. 90
Oil, coal and natural gas supply approximately ________________ % of the energy used in the United States.
A. 10
B. 25
C. 40
D. 90
