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Environmental Science

Environmental Science
_________ mixed with diesel reduces carbon monoxide emissions up to 50%.

Methanol
Ethanol
Phenol
Alcohol

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Environmental Science
Black Buck is a

Bird
Butterfly
Goat
Deer

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Environmental Science
High biological oxygen demand indicates:

moderate microbial pollution
absence of microbial pollution
all of these
intense level of microbial pollution

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Environmental Science
In the stratosphere, the air temperature normally:

Both increases and decreases depending on the season
Increases with increasing height
Cannot be measured
Decreases with increasing height

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Environmental Science
All are primary pollutants except

Hydrogen sulfide
Peroxyacetyl Nitrate (PAN)
Ammonia
Sulfur dioxide

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Environmental Science
In a pyramid of numbers, in a grassland ecosystem, the largest population is that of

Primary consumers
Producers
Herbivores
Tertiary Consumers
Secondary consumers

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MORE MCQ ON Environmental Science

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