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Environmental Science

Environmental Science
________ is the degradation of land in arid, semi-arid and dry sub-humid areas.

Vegetation
Desertification
Ecosystem
Land fertility

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Environmental Science
Heavy dust can cause

opening of stomata
browning of leaves
leaf blights
closure of stomata

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Environmental Science
The atmospheric layer in which we live is called the:

Thermosphere
Troposphere
Ionosphere
Exosphere
Stratosphere

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Environmental Science
Animals that feed only on plants are called

detritivores
carnivores
omnivores
herbivores

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Environmental Science
_________ is a mixture of 50 - 90% of methane

Bio diesel
Air
Natural gas
Water

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Environmental Science
The time of day when the relative humidity reaches a maximum value is usually

About midnight
At the time when the air temperature is lowest
Just before sunrise
At the time when the air temperature is highest
In the middle of the afternoon

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