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Environmental Science

Environmental Science
In the Northern Hemisphere, this day has the fewest hours of daylight:

Vernal equinox
Winter solstice
Summer solstice
Autumnal equinox

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Environmental Science
In recycling of mineral elements within an ecosystem, the responsible direct acing organism are called

Primary consumers
Producers
Decomposers
Secondary consumers

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Environmental Science
About ____ of the meteorologists and atmospheric scientists in the United States work in the field of weather forecasting.

Nine-tenths
One-tenth
Three-quarters
One-half

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Environmental Science
Nitrogen gas returns to the atmosphere by the action of

Nitrate fertilizers
Denitrifying bacteria
Nitrogen fixing bacteria
Nitrifying bacteria

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Environmental Science
The term "normal" refers to weather data averaged over:

Thirty years
At least a day
Several months
One year

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Environmental Science
_________ layer is very near to earth

Stratosphere
Mesosphere
Troposphere
Thermosphere

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