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Environmental Science

Environmental Science
The study of food chains and food webs is observed in the phenomenon known as

ecosystem
energy flow
biological chain
biological magnification

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Environmental Science
Noise is measured using sound meter and the unit is

joule
sound
decibel
hertz

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Environmental Science
Oil derived from coal, oil shales or tar sands is called

biomass
None of these
natural gas
syncrude

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Environmental Science
A high density of elephant population in an area can result in

Intraspecific competition
Predation on one another
Interspecific competition
mutualism

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Environmental Science
Herbivores are also called as

Secondary consumers
Primary consumers
Tertiary consumers
Producers

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Environmental Science
Which of the following can be used as a method of protecting an orchard from damaging low temperatures during a radiation inversion?

Wind machines
All of these
Orchard heaters
Irrigation (cover the area with water)

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