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Environmental Science

Environmental Science
A human population is small, there is a greater chance of :

genetic drift
gene flow
mutation
natural selection

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Environmental Science
Ideal conditions for a strong radiation inversion:

Cloudy, windy, moist, summer night
Cloudy, calm, moist, winter night
Clear, calm, moist, summer night
Clear, calm, dry, winter night
Clear, windy, dry, summer night

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Environmental Science
Atmospheric ozone layer which protect us from UV-B and C is getting depleted most by addition of

carbon monoxide
sulpur dioxide
carbon dioxide
chlorofluorocarbon

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Environmental Science
Synecology deals with

Ecology of many populations
Ecology of community
None of these
Ecology of many species

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Environmental Science
The 3 R principle in waste management involves

Reduce, Reuse, Recycle
Reduce, Retain, Regain
Reduce, Regain, Reuse
Reduce, Reform, Reset

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Environmental Science
In a volume of air near the earth's surface, ____ occupies 78 percent and ____ nearly 21 percent.

Oxygen, hydrogen
Nitrogen, oxygen
Hydrogen, helium
Nitrogen, water vapor
Hydrogen, oxygen

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MORE MCQ ON Environmental Science

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