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Environmental Science

Environmental Science
Of all of the energy production in the United States, what percentage is lost in distribution and inefficient use?

40
25
10
50

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Environmental Science
As it travels along the food chain, the concentration of DDT

remains constant
decreases
increases
fluctuates randomly

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

Autumnal equinox
Summer solstice
Winter solstice
Vernal equinox

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Environmental Science
"Silent Spring" is a well known book written by

Rachel Carson
Aldoleopold
John Miller
Charles Darwin

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Environmental Science
The pyramid of numbers in a single tree is

None of these
Inverted
Upright
Spindle shaped

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Environmental Science
In a food chain of grassland ecosystem the top consumers are

Carnivorous
Herbivorous
Bacteria
Either carnivorous or herbivorous

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