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Environmental Science

Environmental Science
The cutting down of trees and setting them on fire and raising crops on the resulting ash is called:

Jhum
Taungya system
Shift cultivation
Pyrolysis

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Environmental Science
Animal dung is __________ waste.

Hazardous
Non biodegradable
Biodegradable
Toxic

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Environmental Science
In a population, unrestricted reproductive capacity is called as

biotic potential
carrying capacity
birth rate
fertility rate

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Environmental Science
What is the name of the action plan for sustainable development in the Twenty first century framed in the Rio Declaration on Environment & Development (1992)?

Action 21
Rio 21
Agenda 21
Declaration 21

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

Primary consumers
Producers
Secondary consumers
Decomposers

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

40
50
25
10

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