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Environmental Science

Environmental Science
Sea water is

acidic
hypotonic
neutral
alkaline

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Environmental Science
What are rodenticides?

That kill rats
That kill fishes
That kill insects
That kill crocos

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Environmental Science
Nitrogen fixing blue green algae is

Nitrosomonas
Rhizobium
Nostoc
Clostridium

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Environmental Science
Most of the radiation emitted by a human body is in the form of:

Visible radiation but is too weak to be visible
Humans do not emit electromagnetic radiation
Ultraviolet radiation and is invisible
Infrared radiation and is invisible

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Environmental Science
The formula for exponential population growth is

dN/dt = rN
dN/rN = dt
dt/dN = rN
rN/dN = dt

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Environmental Science
Cigarette smoking exposes one to __________

Carbon dioxide
Nitrogen peroxide
Sulphur dioxide
Carbon monoxide

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MORE MCQ ON Environmental Science

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