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Environmental Science

Environmental Science
Unleaded petrol contains __________ which are known as carcinogenic compounds

phosphates
nitrates
benzene
sulphates

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Environmental Science
Sedimentation is a

Primary water treatment
Final process
Tertiary water treatment
Secondary water treatment

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Environmental Science
Which one of the following ecosystem type has the highest annual net primary productivity?

Temperate evergreen forest
Tropical deciduous forest
Tropical rain forest
Temperate deciduous forest

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Environmental Science
"Earth provides enough to satisfy every man's need, but not for every man's greed" words by

Tagore
Gandhiji
None
Nehru

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Environmental Science
Which of the following weather elements always decreases as we climb upward in the atmosphere?

Temperature
Pressure
Wind
Moisture
All of these

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Environmental Science
At what time during a 24-hour day would a radiation temperature inversion best be developed?

At sunset
Near sunrise
Between 2 and 5 pm when the air temperature reaches a maximum
Toward the end of the morning

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