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Environmental Science

Environmental Science
Which of the following zones in a lake suffers from lack of light and therefore limited photosynthesis is able to take place?

Littoral
Euphotic
Pelagic
Profundal

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Environmental Science
Pick out the potent green house gas

O3
N2O
CO2
CH4

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Environmental Science
Which one of the following is the correct percentage of the two green house gases that contribute to the total global warming?

CFCs -14%, Methane-20%
Methane-20%, N2O-18%
CO2-40%,CFCs-30%
N2O-6%, CO2 -86%

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Environmental Science
Ozone depletion is mostly caused by

CO2
CCL
CO
CFCs

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Environmental Science
All food chains starts with __________ and ends with decay.

Organisms
Environment
Photosynthesis
Fungi

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Environmental Science
Global warming is caused by

CH4
CFCs
NO2
GHGs

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MORE MCQ ON Environmental Science

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