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Environmental Science

Environmental Science
The formula of growth rate for population in given time is

dN/dt=rN
dN/rN=dt
dt/dN=rN
dt/rN=dt
dt/rN=dN

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Environmental Science
Coal is a __________ resource.

None of these
deforestation
abiotic
inorganic

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Environmental Science
If the amount of energy lost by the earth to space each year were not approximately equal to that received:

The atmosphere's average temperature would change
The length of the year would change
The mass of the atmosphere would change
The sun's output would change

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Environmental Science
The gas that shows the most variation from place to place and from time to time in the lower atmosphere:

Ozone (O3)
Carbon dioxide (CO2)
Argon (Ar)
Methane (CH4)
Water vapour (H2O)

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Environmental Science
The transfer of heat by molecule-to-molecule contact is:

Ultrasonic
Conduction
Convection
Radiation

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Environmental Science
_________ is an important factor that aggravates the effect of drought.

Floods
Deforestation
Acid Rain
Soil Erosion

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