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Environmental Science

Environmental Science
Concept of ecological pyramids was proposed by

Odum
Charles Elton
Tansley
Clements

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Environmental Science
An example of one way ecological cycle is

energy cycle
carbon dioxide cycle
oxygen cycle
water cycle

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Environmental Science
Man made sources of radiation pollution are:

explosion of nuclear weapons
all of these
mining
nuclear fuels and preparation of radioactive isotopes

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Environmental Science
When the air temperature increases, the saturation vapour pressure will:

Vary over an increasingly broad range of values
Decrease
Remain the same
Increase

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

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

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Environmental Science
If all the water vapour in the atmosphere were to condense and fall to the ground, the globe would be covered with about ______ of water.

1 meter
1 inch
1 foot
1 millimeter

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