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Environmental Science

Environmental Science
A permeable rock that contains hydrocarbon fluids and gases is called a/an

None of these
Oil reservoir
Oil trap
Source bed

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Environmental Science
Often before sunrise on a clear, calm, cold morning, ice (frost) can be seen on the tops of parked cars, even when the air temperature is above freezing. This condition happens because the tops of the cars are cooling by:

Conduction
Radiation
Convection
Latent heat

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Environmental Science
The phenomenon of accumulation of non-biodegradable pesticides in human beings

Bioremediation
Biodegradation
Bioaccumulation
Biomagnification

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Environmental Science
Euro II standard refers to _________

increasing carbon content in fuel
Lowering sulfur content in fuel
Increasing sulfur content in fuel
Lowering carbon content in fuel

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Environmental Science
High biological oxygen demand indicates:

absence of microbial pollution
moderate microbial pollution
all of these
intense level of microbial pollution

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Environmental Science
The most abundant greenhouse gas in the earth's atmosphere:

Water vapour (H2O)
Methane (CH4)
Nitrous oxide (N2O)
Chlorofluorocarbons (CFCs)
Carbon dioxide (CO2)

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