The total number of major languages in India are _________________.
A. 18
B. 17
C. 16
D. 15
On the average, about what percentage of the solar energy that strikes the outer atmosphere eventually reaches the earth’s surface?
A. 5%
B. 15%
C. 30%
D. 50%
E. 70%
Oil, coal and natural gas supply approximately ________________ % of the energy used in the United States.
A. 10
B. 25
C. 40
D. 90
How many types of habitats are there in a biosphere?
A. 4
B. 2
C. 3
D. 6
The combined albedo of the earth and the atmosphere is approximately __________________ percent.
A. 4
B. 10
C. 30
D. 50
E. 90
A red shirt ________________.
A. Selectively absorbs red wavelenghts of visible light and scatters the rest
B. Selectively scatters red wavelenghts of visible light and absorbs the rest
C. None of the above
D. Both A & B
If the absolute temperature of an object doubles, the maximum energy emitted goes up by a factor of _________________.
A. 2
B. 4
C. 8
D. 16
E. 32
If you want to keep an object cool while exposed to direct sunlight, ________________.
A. Put it inside a brown paper bag
B. Wrap it in black paper
C. Wrap it in aluminum foil with the shiny side facing inward
D. Wrap it in aluminum foil with the shiny side facing outward
_______________ is an In-site conservation method.
A. National parks
B. Forests
C. Zoo
D. Parks
All are insitu conservation efforts except __________________.
A. National parks
B. Sanctuaries
C. Zoo
D. biosphere reserves
