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Environmental Science

Environmental Science
The earth's atmosphere is divided into layers based on the vertical profile of:

Air temperature
Wind speed
Air density
Air pressure

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Environmental Science
As it travels along the food chain, the concentration of DDT

remains constant
decreases
fluctuates randomly
increases

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Environmental Science
Which of the following is an extinct species?

Ostrich
Dodo
Tiger
Lion

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Environmental Science
The top layer of the lake is called as

Thermonion
Epilimnion
Hypolimnion
Thermocline

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Environmental Science
The global temperature has risen by about __________ degree celsius, since the peak of last glacialisation.

5
10
8
7

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Environmental Science
In grazer food chain the living plants are directly

grown
decayed
consumed
destroyed

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