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Environmental Science

Environmental Science
The conversion of ammonia to nitrate is known as ________

ammonification
denitrification
nitrification
all of these

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Environmental Science
Radiations are harmful as it

is unstable
causes anemia
alters body tissues
causes skin cancer

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Environmental Science
The most abundant gases in the earth's atmosphere by volume are:

Oxygen and helium
Nitrogen and oxygen
Oxygen and water vapor
Carbon dioxide and nitrogen
Oxygen and ozone

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Environmental Science
Noise is measured using sound meter and the unit is

decibel
hertz
sound
joule

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Environmental Science
The pollution which does not persistent harm to life supporting system is

Radiation pollution
All of these
Organochlorine pollution
Noise pollution

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Environmental Science
In an aquatic ecosystem, the depth to which light penetrates is called

euphotic
aphotic
nonphotic
photic

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MORE MCQ ON Environmental Science

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