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Environmental Science

Environmental Science
_________ is the phenomenon where the earth retains heat.

Air pollution
Green house effect
Global effect
Land pollution

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Environmental Science
Largest reptile in the world

Dragon
Anaconda
Crocodile
Python

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Environmental Science
Animal dung is __________ waste.

Toxic
Hazardous
Non biodegradable
Biodegradable

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Environmental Science
________ is the degradation of land in arid, semi-arid and dry sub-humid areas.

Desertification
Vegetation
Land fertility
Ecosystem

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Environmental Science
High biological oxygen demand indicates:

moderate microbial pollution
absence of microbial pollution
intense level of microbial pollution
all of these

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Environmental Science
Energy flow in ecosystem is

Unidirectional
None of these
Multidirectional
Bidirectional

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MORE MCQ ON Environmental Science

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