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Environmental Science

Environmental Science
Maximum deposition of DDT will occur in

crab
phytoplankton
sea gull
eel

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Environmental Science
In a volume of air near the earth's surface, ____ occupies 78 percent and ____ nearly 21 percent.

Oxygen, hydrogen
Nitrogen, water vapor
Hydrogen, helium
Nitrogen, oxygen
Hydrogen, oxygen

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Environmental Science
All are physical pollutants except

radiations
heat
sound
soot

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

Air temperature
Wind speed
Air pressure
Air density

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Environmental Science
Animals that feed only on plants are called

carnivores
herbivores
detritivores
omnivores

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Environmental Science
Photosynthesis is found in

Producers
Scavengers
Decomposers
Consumers

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MORE MCQ ON Environmental Science

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