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Environmental Science

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

gene flow
mutation
genetic drift
natural selection

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Environmental Science
Photosynthesis is found in

Decomposers
Consumers
Scavengers
Producers

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Environmental Science
Birth rate is called

mortality
vital index
viability
natality

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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 dioxide
carbon monoxide
chlorofluorocarbon
sulpur dioxide

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Environmental Science
Of the gases listed below, which is not believed to be responsible for enhancing the earth's greenhouse effect?

Chlorofluorocarbons (CFCs)
Molecular oxygen (O2)
Nitrous oxide (N2O)
Methane (CH4)
Carbon dioxide (CO2)

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Environmental Science
Ozone Umbrella is located in which layer of atmosphere

Troposphere
Ionosphere
Stratosphere
Mesosphere

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MORE MCQ ON Environmental Science

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