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Environmental Science

Environmental Science
Green Land biome

Taiga
Thaar
Tundra
Pampas

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Environmental Science
What is the major cause of diminishing wildlife number?

Paucity of drinking water
Felling of trees
Habitat destruction
Cannibalism

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Environmental Science
Night time temperatures rarely drop below the dew point temperature because

Saturation vapor pressures always increase at night
At saturation, latent heat of condensation is released into the air
The dew will absorb all the heat
Both (b) and (c)

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Environmental Science
Trichodermaharzianum has proved a useful microorganism for

biological control of soil-borne plant pathogens
bioremediation of contaminated soils
reclamation of wastelands
gene transfer in higher plants

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Environmental Science
The most abundant gas emitted from volcanoes is:

Helium
Carbon dioxide
Nitrogen
Water vapour
Sulfur dioxide

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Environmental Science
The pollutant that causes hole in the ozone layer is

CFCs
nitrousoxide
PFCs
SF6

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MORE MCQ ON Environmental Science

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