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Environmental Science

Environmental Science
_________ is the phenomenon where the earth retains heat.

Land pollution
Green house effect
Global effect
Air pollution

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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
Latent heat
Conduction

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Environmental Science
The main atmospheric layer near the surface of earth is

mesophere
ionosphere
troposphere
stratosphere

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Environmental Science
At middle latitudes, the base of an altostratus or altocumulus cloud would generally be found between:

Above 43,000 feet
23,000 and 43,000 feet
6,500 and 23,000 feet
200 and 6,500 feet

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Environmental Science
A human population is small, there is a greater chance of :

gene flow
genetic drift
natural selection
mutation

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Environmental Science
The species of plants that play a vital role in controlling the relative abundance of other species in a community are called

Successional species
Edge species
Keystone species
Link species
Pioneer species

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