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Environmental Science

Environmental Science
Which of the radioactive material is largely associated with bone cancer

Strontium-90
Iodine
Thorium-232
Radium-226

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Environmental Science
Of the gases listed below, which is not believed to be responsible for enhancing the earth's greenhouse effect?

Chlorofluorocarbons (CFCs)
Nitrous oxide (N2O)
Carbon dioxide (CO2)
Methane (CH4)
Molecular oxygen (O2)

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Environmental Science
The first oil well was drilled in the United States in

1929
1959
1859
1829

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Environmental Science
The most important reason for decrease in biodiversity is

Introduction of exotic species
Habitat destruction
Over-exploitation
Habitat pollution

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Environmental Science
A biomass pyramid is important because it illustrates

The biomass of all organisms at each tropic level in a system
The number of tropic levels in a system
The number of species in each tropic level
How energy flows through a food web

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Environmental Science
_________ is the most inhuman of social crimes.

Kidnap
Dowry death
Robbery
Rape

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