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Environmental Science

Environmental Science
The range of normal human hearing is in the range of

10 Hz to 80 Hz
15000 Hz and above
50 Hz to 80 Hz
50Hz to 15000 Hz

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Environmental Science
In the middle latitudes of the Northern Hemisphere, surface winds tend to blow ____ and ____ around an area of surface low pressure.

Counterclockwise; outward
Clockwise; inward
Counterclockwise; inward
Clockwise; outward

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Environmental Science
Carbon monoxide is a pollutant because it

reacts with 02
inactivates nervous system A
reacts with haemoglobin
inhibits glycolysis

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Environmental Science
Trichodermaharzianum has proved a useful microorganism for

bioremediation of contaminated soils
biological control of soil-borne plant pathogens
reclamation of wastelands
gene transfer in higher plants

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

Carnivorous
Bacteria
Either carnivorous or herbivorous
Herbivorous

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Environmental Science
Area X represents

coal
nuclear
solar
oil

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