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Environmental Science

Environmental Science
Sunlight passes through a thicker portion of the atmosphere at

Sunrise
Sunset
Noon
Night
Both a and c

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Environmental Science
The term Ecosystem was coined by

Elton
Odum
Arthur G Tansley
Clements

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Environmental Science
Organ affected by pneumonia

Kidney
Liver
Lungs
Heart

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Environmental Science
The presence of high coliform counts in water indicates

decreased Biological Oxygen Demand
phosphorus contamination
contamination by human wastes
hydrocrbon contamination

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Environmental Science
Sedimentation is a

Tertiary water treatment
Primary water treatment
Final process
Secondary water treatment

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Environmental Science
Percentage of forest area recommended by the the national forest policy for plains is

0.3
0.1
0.33
0.67

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