Hydrology Review

Which does not impact the infiltration of water?

• porosity/permeability of water

• rate of precipitation

• water table level

• amount of pollution in a nearby stream

As human population increases exponentially, what happens to the amount of freshwater?

• it increases

• it decreases

• it stabilizes

• it increases then decreases

Which is the most common contamination source for freshwater resources?

• runoff

• digging wells

• melting of glaicers

• lightening

Which is true of man-made dams?

• reduce risk of upstream flooding

• don't affect the character of the dammed river downstream

• located where they don't affect preexisting farms

• provide more dependable water resources for humans

How can you maximize freshwater resources?

• increased infiltration to fertilize crops

• reduced treatment by waste water treatment plant

• reduce measures to prevent arsenic contamination

• law regulating the amount of pollution dissolved in a river

What is a drawback to the extensive use of irrigation?

• crops don't receive sufficient water

• flooding increases

• groundwater levels decrease

• pollution increases

The water cycle is the

• distribution of drinking water on Earth
• unending circulation of Earth's water supply
• recycling water for industrial use
• evaporation of water from Earth's surface

Groundwater is found underground in the zone of 

• aeration
• saturation
• porosity
• permeability

Groundwater flow is affected by the _ of soil.

• porosity
• type
• location
• aeration

Which of the following is not a major source of groundwater pollution?

• sewage
• pesticides
• industrial chemicals
• compost