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Environmental Science

Environmental Science
Sedimentation is a

Secondary water treatment
Primary water treatment
Tertiary water treatment
Final process

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Environmental Science
Respiratory roots are known as

prop roots
pneumatophores
hydathodes
velamen

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Environmental Science
Often before sunrise on a clear, calm, cold morning, ice (frost) can be seen on the tops of parked cars, even when the air temperature is above freezing. This condition happens because the tops of the cars are cooling by:

Radiation
Convection
Conduction
Latent heat

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Environmental Science
At any given time, ______ of the earth is illuminated by the sun.

One-half
One-third
One-fourth
Two-thirds

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Environmental Science
If the amount of energy lost by the earth to space each year were not approximately equal to that received:

The atmosphere's average temperature would change
The length of the year would change
The mass of the atmosphere would change
The sun's output would change

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

photic
aphotic
euphotic
nonphotic

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