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Environmental Science

Environmental Science
Commonly used radioactive isotopes in scientific research

14 C
all of these
32 P
125 I

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Environmental Science
In ecological succession from pioneer to climax community, the biomass shall

no relation
decrease
increase continuously
increase and then decrease

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Environmental Science
In an average year, more people die from this than from any other natural disaster.

Flash floods and flooding
Tornadoes
Lightning
Droughts
Earthquakes

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

Deforestation
Acid Rain
Soil Erosion
Floods

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Environmental Science
Water heats up ______ and cools off _____ than land.

More slowly, more slowly
More quickly, more slowly
More quickly, more quickly
More slowly, more quickly

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Environmental Science
A biomass pyramid is important because it illustrates

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

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