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Environmental Science

Environmental Science
The planet with a strong greenhouse effect, whose surface temperature averages 480oC (900oF) is:

Pluto
None of these
Earth
Venus
Mars

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Environmental Science
Cement factory labourers are prone to

leukemia
asbestosis
bone marrow disease
cytosilicosis

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Environmental Science
Thickness of plastic cover permissible to use

50 Microns
10 Microns
100 Microns
20 Microns

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Environmental Science
The atmospheric layer in which we live is called the:

Stratosphere
Thermosphere
Exosphere
Ionosphere
Troposphere

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Environmental Science
North American grassland are called

Pampas
None
Savannah
Prairies

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Environmental Science
When both partners are affected negatively the nature of interaction is

amensalism
competition
commensalism
predation

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