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Environmental Science

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

10
7
8
5

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Environmental Science
The place where the worst nuclear disaster took place?

Washington
Chernobyl
Bhopal
Japan

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Environmental Science
The transfer of heat by molecule-to-molecule contact:

Convection
Ultrasonic
Radiation
Conduction

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Environmental Science
In pond ecosystem, the pyramid of biomass is

none of these
upright
spindle shaped
inverted

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Environmental Science
BOD of a river water is found very high. This means water

contain many dissolved minerals
contain Algae
is highly polluted
is clear

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Environmental Science
The first tropic level refers to

all green plants
sunlight
all animals
all herbivores

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