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Environmental Science

Environmental Science
The planet with a strong greenhouse effect, whose surface temperature averages 480oC (900oF) is:

Mars
Earth
None of these
Pluto
Venus

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

anemia
cardiac arrest
lung cancer
hormone disorder

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Environmental Science
In a food chain of grassland ecosystem the top consumers are

Bacteria
Carnivorous
Herbivorous
Either carnivorous or herbivorous

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Environmental Science
Which of the following is not an indicative biological trait for the trait of ecology?

Feeding behavior
Fish stream size preference
Habitat
Fish reproductive strategy

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Environmental Science
Which of the following group of gases cause photochemical smog?

Ozone, PAN and CO
O3, PAN and NO2
O2, PAN, and NO2
HC, NO and PAN

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Environmental Science
The total number of major languages in India are

15
16
18
17

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