Which human activity would have the greatest direct negative impact on the Earth's hydrosphere?A. Planting trees, groundcover, and rooftop gardens in urban areas has a negative impact because it is reducing the amount of runoff water in the areB. Using fertilizer and pesticides on lawns has a negative impact because the runoff goes into waterways, causing pollution and nitrogen imbalances.C. Reducing emissions released by driving a hybrid vehicle has a negative impact because these vehicles have higher fuel efficiency, reducing the amount of fuel used.D. Burning of fossil fuels releases nitrogen and other pollutants into the air, which has a negative impact because the pollutants fall to Earth through precipitation that pollutes waters.

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