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Environmental Science

Environmental Science
What is the man-made greenhouse gas known as?

Water Vapour
Carbon dioxide
HFC
Ozone

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Environmental Science
All are insitu conservation efforts except

Sanctuaries
National parks
biosphere reserves
Zoo

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Environmental Science
Animals and plants are best protected in

Zoos
Sanctuaries
Botanical Gardens
National Parks

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Environmental Science
A __________ is formed due to the collection of water in a natural basis or depression in a mountainous area or in plains.

Pond
Lake
Spring
Stream

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Environmental Science
A river with high BOD value is

highly clean
highly productive
highly polluted
none of these

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Environmental Science
The main energy source for the environment is ________

Electrical energy
Solar energy
Bioelectric energy
Chemical energy

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