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Environmental Science

Environmental Science
Commonly used radioactive isotopes in scientific research

all of these
32 P
14 C
125 I

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Environmental Science
Black lung disease is associated with

Farmers
Textile industry workers
Sweepers
Coal miners

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Environmental Science
The major pollutant from automobile exhaust is

SO2
Soot
NO
CO

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Environmental Science
The Native Place of Redwood trees?

Australia
Thailand
Amazon
California

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Environmental Science
Thickness of plastic cover permissible to use

100 Microns
50 Microns
10 Microns
20 Microns

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Environmental Science
All the statements are correct regarding ecological succession except

Species diversity increases as succession proceeds
It is a random process
The role of decomposers becomes more and more important
The food chain relationships becomes more complex

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