Natural Resources (water)

What are the two parts of a septic system? a. septic tank and drain field b. water table and aquitard c. zone of saturation and zone of aeration d. well and aquifer

a.

A stream's discharge a. is greatest during times of drought b. increases between its source and mouth c. decreases between its source and mouth d. remains the same throughout its course

b.

Groundwater is found underground in the zone of _____. a. aeration b. saturation c. porosity d. sediment

b.

Which type of rock usually underlies a karst landscape? a. shale b. limestone c. granite d. quartz

b.

Rock layers or sediments that slow/prevent the moment of groundwater are ____. a. water tables b. springs c. aquitards d. aquifers

c.

Sinkholes can form when a. minerals dripping from a cavern ceiling form stone pendants b. streams drop sediment as they enter lakes c. acidic rainwater dissolves underground rock d. the water table rises due to flooding

c.

The ability of a stream to erode and transport material depends largely on its a. density b. width c. velocity d. length

c.

The vertical drop of a stream channel over a certain distance is ___. a. channel roughness b.discharge c. gradient d. runoff

c.

The water cycle is the ____. a. recycling of water after industrial use b. distribution of drinking water on Earth c. unending circulation of Earth's water supply d. evaporation of water from Earth's surface

c.

Groundwater is NOT found underground in the zone of ______. a. sediment b. saturation c. porosity d. aeration

d.

Permeable rock layers or sediments that freely transmit groundwater are ____. a. water tables b. aquitards c. springs d. aquifers

d.

The upper limit of the zone of saturation is called ____. a. the zone of permeability b. a well c. the zone of porosity d. the water table

d.

What is the volume of water flowing past a certain point called? a. velocity b. gradient c. oxbow d. discharge

d.