The rate of species extinction on Earth is currently very high-perhaps as high as it has been since the time of the dinosaur extinction. Which of the following human actions is not a major cause of this high extinction rate? (2 points)
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Deforestation caused by logging and the overharvesting of timber
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Damming and diverting the flow of rivers
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Poaching and illegal trafficking in wildlife
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Climate change caused by the burning of fossil fuels
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Designating areas of wilderness as public lands
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