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Environmental Science

Environmental Science
Minute particles and liquid droplets are collectively called

Ozone
Convection current
UV radiation
Aerosols

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Environmental Science
All the statements are correct regarding ecological succession except

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

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Environmental Science
Maximum deposition of DDT will occur in

phytoplankton
crab
eel
sea gull

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Environmental Science
Which of the following is a nonrenewable energy resource?

Coal
Solar
Methane
Hydroelectric

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Environmental Science
Which of the following is considered a variable gas in the earth's atmosphere?

Oxygen
Nitrogen
Water vapor
Argon

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Environmental Science
_________ are used for converting saline or brackish water into pure distilled water.

Solar cookers
Photo voltaic cells
Solar water-heating
Solar desalination systems

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