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The challenges of rewilding include

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שאלה #133854

		The difficulty to accurately predict the impacts of predator or dominant herbivore introduction on a community or ecosystem
		Rewilding can produce unintended consequences such as diseases
		Passive rewilding results in an increase of water consumption by trees, thus reducing water availability to humans
done		All of the above

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מיין לפי דירוג חדש ישן

The University of Yale's Environmental Performance Index (EPI):

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שאלה #133855

		Ranks countries' enviormental performances on issues of ecosystems protection and human's health
		European countries and other wealthy nations recived the highest scores
		Ranks countries' perfomances on high priority enivormental issues only in protection of the ecosystems
done		Answers a+b

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מיין לפי דירוג חדש ישן

Pollution sources are often divided into

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שאלה #133857

		stationary and mobile pollution sources
		man-made and natural pollution sources
done		answers a+b
		above and below ground pollution sources

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מיין לפי דירוג חדש ישן

The percentage of the ecosystem services evaluated in the MEA that are being degraded or used unsustainably is, approximately

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שאלה #133858

		30%
		40%
		50%
done		60%

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מיין לפי דירוג חדש ישן

The ecological footprint of cities includes

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שאלה #133859

		The area within the city on which urban activities impact
done		The productive area of land required to supply the demand for renewable resources and sequester its waste
		The land area surrounding the city
		The implications of the urban activities on biodiversity

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מיין לפי דירוג חדש ישן

The 'Urban Sustainability Multiplier' suggests that

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שאלה #133860

		The way cities function today is key to advance urban sustainability
		The larger a city is, the more sustainable it is
done		The concentration of cities infrastructure can be used as a mean to minimize the urban environmental impact
		Multiplying the number of people living in cities by their use of resources signal the rate of urban sustainability

נערך לפני חודש

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מיין לפי דירוג חדש ישן

thermal comfort is defined as

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שאלה #133861

done		mind state that expresses satification with thermal enviroment and is assessed by subjective evaluation
		animal body fat percentage
		the temperature range in which most animals lives in comfort
		the ability of a species to live in thermal equilibrium

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מיין לפי דירוג חדש ישן

Between 1960-2000, while the world population doubled and the global economy increased more than sixfold, food production increased by roughly

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שאלה #133866

		Twice
done		Two-and-a-half times
		Three times
		Ten times

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Environmental refugees are

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שאלה #133869

done		People that have to migrate mostly from traditional rural areas because the environmental conditions cannot support their needs
		People who choose to leave polluted parts of the city to cleaner neighborhoods
		People with high environmental awareness that are worried by ongoing environmental degradation processes
		Environmentalists that are forced by governments to leave their territories

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מיין לפי דירוג חדש ישן

Two main revolutions allowed the of human population to grow fast and reach its current size:

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שאלה #133871

done		The agricultural and industrial revolutions
		The French and American revolutions
		The agriculture and green revolutions
		The industrial and robotics revolutions

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מיין לפי דירוג חדש ישן

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