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Environmental Science

Environmental Science
Concept of ecological pyramids was proposed by

Charles Elton
Clements
Odum
Tansley

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Environmental Science
Valuable, practical services that help to preserve ecosystem performed by nature are called

The green house effect
Biological control
Ecosystem service
Biosphere balancing

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Environmental Science
The legally binding international agreement to reduce Greenhouse gases by 5% 2012 is _________

Kyoto Protocol
Ozone Protocol
Montreal Protocol
Vienna convention

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Environmental Science
The maximum pressure that water vapor molecules would exert if the air were saturated is called the:

Absolute humidity
Boiling point
Mixing ratio
None of these

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Environmental Science
The main reason(s) for warm summers in northern middle latitudes is that:

The sun is higher in the sky and we receive more direct solar radiation
Only (b) and (c) are correct
The earth is closer to the sun in summer
The days are longer
All of these

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Environmental Science
An association between two individuals or populations where both are benefitted and where neither can survive without the other is

competition
mutualism
commensalism
protocoperation

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