OBJECTIVE LIFE SCIENCE
ECOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Withdrawing large amounts of freshwater
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Clearing vegetation and eroding soils
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Polluting surface and underground water
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All of the choices
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Detailed explanation-1: -A number of human activities can impact on the water cycle: damming rivers for hydroelectricity, using water for farming, deforestation and the burning of fossil fuels.
Detailed explanation-2: -Humans activities have a large impact on the global water cycle. Through the building of dams and irrigation schemes large amounts of water are diverted from river systems. Through the emission of greenhouse gases causing global warming, also the rainfall and evaporation patterns are changed across the globe.
Detailed explanation-3: -Global land-use change, including large-scale deforestation and irrigation, is contributing to major alterations in the water cycle, leading to a destabilized climate and major global environmental and sociopolitical disruptions.