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Environmental Science

Environmental Science
Which of the following gases has role an important in maintaining atmospheric temperature?

Argon
Nitrogen
Carbon dioxide
Oxygen

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Environmental Science
Freshwater protozoans react to a/an __________ environment by removing water through _______

hypotonic, a contractile vacuole
hypotonic, turgor pressure
isotonic, a contractile vacuole
hypertonic, a contractile vacuole

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Environmental Science
A biodegradable plastic developed by Biopak Corporation Australia

PVC
Biopol
Polyester
Pet

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Environmental Science
The electrified region of the upper atmosphere is called the:

Ionosphere
Troposphere
Thermosphere
Stratosphere
Mesosphere

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Environmental Science
IUCN (The International Union For Conservation Of Nature And Natural Resources) headquarters is at

Vienna, Austria
Gland, Switzerland
Paris, France
NewYork, USA

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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

protocoperation
competition
commensalism
mutualism

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MORE MCQ ON Environmental Science

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