Aquifer review

Why is groundwater an important source of freshwater storage?

• It constitutes approximately 30% of Earth’s freshwater.

• It is the only viable source of freshwater in some areas.

• It is available in conditions of drought.

• All of the above

Which of the following most significantly determines a community's access to potable water?

• access to clean raw water sources

• the availability of money

• local drought conditions

• the level of industrial development

Water intoxication occurs when _______.

• the body’s electrolytes are out of balance

• a person has a high body mass

• in people engaged in low-impact activities

• When ever

When fertilizers enter surface water, they cause problems in 
the watershed by -

• increasing the amount of nutrients available to fish in lakes and streams.
• 
  clogging narrow streams and preventing water from flowing properly.
• raising the water level in nearby rivers to levels leading to flooding.
• causing rapid algal growth that decrease oxygen levels and choke aquatic life.

Which would increase the amount of runoff you get?

• Vegetation
• More plants
• Urban Development

All bodies of fresh water, salt water, ice, and snow that are found above ground

• Groundwater

• Surface water

• Runoff

• Swimming pool

___________________ washes agricultural wastes, including animal wastes, fertilizers, and pesticides, into bodies of water, causing algae to grow.

• Runoff
• Peak flow
• Groundwater
• Municipal sewage

Water stored  in cracks and pores below the Earth's surface is called:

• Groundwater
• Bogs
• Water in the ground
• surface water

This aquifer is bounded above and below by impermeable layers of rock.

• unconfined aquifer

• confined aquifer

• well

• aquitard

What is a measure of how well a material absorbs water? There are multiple answers.

• permeability

• occlusion

• porosity

• exclusion