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Environmental Science

Environmental Science
The total mass of water vapour stored in the atmosphere at any moment is about ____ of the world's supply of precipitation.

1 day
1 week
1 month
1 year

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Environmental Science
If the earth's average surface temperature were to increase, the amount of radiation emitted from the earth's surface would ____, and the wavelength of peak emission would shift toward ____ wavelengths.

Decrease, shorter
Increase, longer
Decrease, longer
Increase, shorter

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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
An ecosystem gradually merges with an adjoining one through a transitional zone is called the ______________

shore effect
ecological footprint
ecotone
Ecological niche

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Environmental Science
The gas responsible for the greenhouse effect on Venus is:

Nitrogen (N2)
Carbon dioxide (CO2)
Oxygen (O2)
Ozone (O3)
Water vapor (H2O)

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Environmental Science
Man made sources of radiation pollution are:

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

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