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Environmental Science

Environmental Science
The temperature scale that sets freezing of pure water at 32o F:

British
Kelvin
Celsius
Fahrenheit

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Environmental Science
The formation of __________ is the most characteristic feature in upper course of a river

waterfalls
gorges
canyons
landslide

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Environmental Science
Warming in the stratosphere is mainly caused by:

Frictional heating caused by meteorites
Release of latent heat energy during condensation
Chemical reactions between ozone and chlorofluorocarbons
Absorption of ultraviolet radiation by ozone

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Environmental Science
Disease aggravated by air pollution is

bronchitis
haemophilia
cholera
rheumatism

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

ecological footprint
shore effect
ecotone
Ecological niche

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Environmental Science
A biomass pyramid is important because it illustrates

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

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