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Environmental Science

Environmental Science
Air pollution can be of

artificial or man made origin
natural origin
b only
both a and b

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Environmental Science
According to the Stefan-Boltzmann law, the radiative energy emitted by one square meter of an object is equal to a constant multiplied by its temperature raised to the _______ power.

Zeroeth
Tenth
Negative third
Fourth

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Environmental Science
_______ is a cold desert in India.

Ran of Kutch
Thar
Ladakh
Bhopal

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Environmental Science
Cement factory labourers are prone to

cytosilicosis
leukemia
asbestosis
bone marrow disease

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Environmental Science
Total amount of living material at the various trophic levels of a food chain is depicted by pyramids of

biomass
numbers
all of these
energy

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Environmental Science
What is troposphere?

Portion of air
Lowest layer of atmosphere where we survive
Portion of water
Portion of sky

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