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Environmental Science

Environmental Science
Fog is a major hazard to aviation.

1

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

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

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Environmental Science
Noise is measured using sound meter and the unit is

sound
joule
decibel
hertz

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Environmental Science
The crucial species that determine the ability of large number of other species is termed as _________ species.

Important
Keystone
Crucial
Significant

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Environmental Science
Radiations are harmful as it

alters body tissues
causes anemia
causes skin cancer
is unstable

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Environmental Science
Infection of HIV is usually detected by which test

Gram staining
Hybridization
Elisa test
None

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