Environmental Systems 03/30/2023

Earth's surface water is found in..

• lakes

• rivers

• streams

• all

The largest watershed in the United States is the

• Yukon River

• Mississippi River

• Colorado River

How much of the earth's water is fresh water?

• 1%

• 23%

• 3%

• 97%

A rocks ability to allow the flow of water through it is called

• porosity

• recharge

• permeability

What is porosity?

• the capacity of rock to transmit fluid

• the percent of rock/soil's volume that is open space where water can be held

• the ability of sediment to repel water

__________ Is a flowing network of surface water

• recharge zone

• river system

• aquifer

• ground water

Prolonged withdrawal of water from an aquifer

• can alter the permeability the aquifer

• can dry up an aquifer

• can speed up the flow of ground water

• can cause surface land issues

Area of land drained by a river

• aquifer

• watershed

• ground water

• recharge zone

Most of Earth's freshwater is

• ice at the North and South Poles

• stored in large underground rock structures

• suspended in atmospheric cloud formations

Which of the following is NOT where usable freshwater is found?

• lakes

• rivers

• narrow zone beneath earth's surface

• oceans