Water Cycle and Natural Capital unit 3 1402

What is one of the earth’s most important forms of natural capital?

• Freshwater

• Oil

• Coal

• Natural gas

How is freshwater often used?

• Efficiently and cleanly

• Inefficiently and polluted

• Exclusively for drinking

• Only for industrial purposes

What does the low cost of freshwater encourage?

• Conservation

• Waste

• Recycling

• Export

How do humans alter the hydrologic cycle?

• By increasing water supply

• By withdrawing and polluting water

• By creating new water sources

• By evenly distributing water

What is the water table?

• The bottom of the zone of saturation

• The top of the zone of saturation

• The middle of the zone of saturation

• The area where water is always present

What process is depicted by the arrows pointing upwards from the land surface in the diagram?

• Precipitation

• Runoff

• Evaporation and transpiration

• Infiltration

What is the role of the "less permeable material such as clay" in the diagram?

• It allows water to flow freely.

• It prevents water from seeping through easily.

• It enhances evaporation.

• It increases transpiration.

Which type of well is shown tapping into the confined aquifer in the diagram?

• Drinking water well

• Artesian well

• Runoff well

• Evaporation well

What is the primary source of water for the lake shown in the diagram?

• Evaporation

• Runoff

• Artesian well

• Transpiration

What causes saltwater to move into (aka saltwater intrusion) freshwater aquifers?

• Freshwater depletion

• Increased rainfall

• Earthquakes

• Volcanic activity