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Environmental Science

Environmental Science
Official date of Earth Day is on _________

43943
43987
43973
43911

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

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

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Environmental Science
The formula for exponential population growth is

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

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Environmental Science
The most abundant gas in the stratosphere is:

Ozone (O3)
Carbon dioxide (CO2)
Chlorofluorocarbons (CFCs)
Oxygen (O2)
Nitrogen (N2)

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Environmental Science
In a population, unrestricted reproductive capacity is called as

fertility rate
carrying capacity
biotic potential
birth rate

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Environmental Science
Euro II standard refers to _________

Lowering carbon content in fuel
Lowering sulfur content in fuel
Increasing sulfur content in fuel
increasing carbon content in fuel

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MORE MCQ ON Environmental Science

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