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Environmental Science

Environmental Science
In an aquatic ecosystem, the depth to which light penetrates is called

nonphotic
euphotic
aphotic
photic

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Environmental Science
What is Dendrology?

Study of Trees
Study of Butterflies
None of these
Study of Plants

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Environmental Science
The indoor pollutant radon which is a radioactive gas causes

lung cancer
hormone disorder
anemia
cardiac arrest

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Environmental Science
The first Environmental Law in India was enacted in

1950
1982
1972
1947

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Environmental Science
Renewable energy resources are mostly based on

fossil fuels
biomass
nuclear power
nuclear power

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Environmental Science
When the air temperature is below freezing, the saturation vapour pressure over water is .

Equal to the saturation vapour pressure over ice
Less than the saturation vapour pressure over ice
Greater than the saturation vapour pressure over ice
Equal to zero

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