Human Impact on Hydrosphere

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Excessive groundwater extraction can cause land subsidence. Which of the following hazards is MOST likely to be worsened by this subsidence?

• global warming

• volcanic eruption

• desertification

• flooding

In a town hall meeting, a construction company presents plans for a new residential complex. Local residents express concerns about the potential increase in water pollution and runoff. What could the construction company propose to include in their plans to address these concerns?

• individual water tanks for each house

• daily cleaning of the streets with water hoses

• green spaces with trees and plants around the complex

• artificial ponds and swales within the complex

What is a consequence of increased urbanization on water resources?

• Improved water quality

• Decreased water demand

• Increased water pollution

• Enhanced aquatic ecosystems

What can lead to an increase in the salinity of groundwater in coastal areas?

• Decreased evaporation rates

• Increased precipitation

• Decreased agricultural activities

• Saltwater intrusion

With the rapid growth of the human population, how is the availability of freshwater resources likely to be affected?

• It will increase significantly

• It will decrease significantly

• It will remain stable

• It will first increase, then decrease

A town plans to improve its sewage treatment and water filtration facilities. What long-term effect could this have on the freshwater supply?

• It could lead to a reduction in water consumption

• It could lead to a reduction in water reserves

• It could lead to a rise in waterborne illnesses

• It could lead to an increase in the availability of freshwater

Considering the expansion of a community around a lake from 1967-1997, how would you expect the quality of groundwater and surface water to be affected?

• Both groundwater and surface water quality will improve

• Both groundwater and surface water quality will deteriorate

• Groundwater quality will improve, but surface water quality will deteriorate

• Groundwater quality will deteriorate, but surface water quality will improve

What is the primary cause of pollution in freshwater sources?

• Agricultural runoff

• Drilling for oil

• Volcanic eruptions

• Tidal waves