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Environmental Science

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

Methanol
Alcohol
Phenol
Ethanol

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Environmental Science
Example of primary pollutant

CO
NO2
SO2
hydrocarbons

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Environmental Science
Biotic potential is counteracted by

None of these
Competition with other organisms
Limitation of food supply
Producer is the largest

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Environmental Science
Melanornia (skin cancer) is associated with

ozone accumulation
allergens
ozone depletion
acid rain

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Environmental Science
The algal booin often releases __________ in water

toxins
acidic
virus
bacteria

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Environmental Science
High biological oxygen demand indicates:

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

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MORE MCQ ON Environmental Science

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