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Environmental Science

Environmental Science
A renewable source of energy is

Trees
Petroleum
Nuclear fuel
Coal

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Environmental Science
Which of the following gases are mainly responsible for the atmospheric greenhouse effect in the earth's atmosphere?

Water vapor and carbon dioxide
Ozone and oxygen
Nitrogen and carbon dioxide
Oxygen and nitrogen

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Environmental Science
The biosphere encompasses the total __________ of living material in a region or the globe.

Photosynthesis
Diversity of species
Animal population
Weight

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Environmental Science
Cigarette smoking exposes one to __________

Nitrogen peroxide
Sulphur dioxide
Carbon monoxide
Carbon dioxide

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Environmental Science
Which one of the following is the correct percentage of the two green house gases that contribute to the total global warming?

CFCs -14%, Methane-20%
Methane-20%, N2O-18%
N2O-6%, CO2 -86%
CO2-40%,CFCs-30%

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Environmental Science
Maximum deposition of DDT will occur in

eel
sea gull
phytoplankton
crab

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