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Environmental Science

Environmental Science
The crack marked on a glacier due to splitting of ice is called

glacier
watershed
crevasses
delta

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Environmental Science
A population is a group of

individuals in a family
individuals in a species
species in a community
communities in an ecosystem

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Environmental Science
The first oil well was drilled in the United States in

1859
1929
1829
1959

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

Green house effect
Air pollution
Global effect
Land pollution

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Environmental Science
The percentage of water vapour present in the air compared to that required for saturation is the:

Relative humidity
Mixing ratio
Absolute humidity
Dew point
Specific humidity

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Environmental Science
Energy flow in ecosystem is

Bidirectional
None of these
Unidirectional
Multidirectional

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