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Environmental Science

Environmental Science
Red data book contains data of

all animal species
threatened species
all plant species
economically important species

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Environmental Science
What is "temporary threshold shift"?

inaudible noise
Tolerable noise
Hearing loss due to excessive noise
Noise that is untolerable

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Environmental Science
Scientists are able to determine the air temperature in the thermosphere by:

Using temperature probes in orbiting satellites
Using radiosondes
Direct measurements in manned, high-altitude balloons
Observing changes in satellite orbits

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Environmental Science
Red sea is an example of a ________ structure.

lava
Faulted
Folded
residual

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Environmental Science
Which among the following result in the formation of soil?

Pollution
Radiation
Weathering
Erosion

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Environmental Science
World Ozone day is

43987
44090
43906
44151

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