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Environmental Science

Environmental Science
The formula for exponential population growth is

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

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Environmental Science
Which of the following is considered a variable gas in the earth's atmosphere?

Nitrogen
Argon
Water vapor
Oxygen

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Environmental Science
Sedimentation is a

Final process
Tertiary water treatment
Primary water treatment
Secondary water treatment

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Environmental Science
Atmospheric humidity is measured by

Photometer
Hygrometer
none
Auxanometer

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Environmental Science
Example for a bio-degradable polymer is

Poly lactic acid
Polyethylene
Polypropylene
Polyester

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Environmental Science
The movement "Beej Bachao Andolan" was aimed for the conservation of _______

shrubs
crops
coconut
trees

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