Chapter 11 Fill-in-the-blank

Completion

Complete each statement.

1.Water that is found in lakes, rivers, and streams is called ______.

2.A large area of land that is drained by a river is known as a(n) ______.

3.An artificial lake created by building a dam is called a(n) ______.

4.A(n) ______is an underground rock formation that holds water.

5.An area of land through which water percolates to be stored as groundwater is known as a(n) ______.

6.A process that removes the salt from salt water to make fresh water is called ______.

7.Water pollution that washes into storm sewers from many places, such as parking lots and lawns, is known as ______.

8.Disease-causing bacteria, viruses, and parasitic worms that can contaminate a water supply are known as ______.

9.An accumulation of pollutants at successive levels of the food chain is called ______.

10.A process by which nutrients increase in a lake while oxygen levels decrease as a result of human activity is known as ______.

11.The ______is the continuous movement of water between Earth and its atmosphere.

12.The amount of space between the particles that make up a rock determines a rock’s ______.

13.The ability of rock or soil to allow water to flow through it is called ______.

14.The ______aquifer supplies about one-third of all the groundwater used in the United States.

15.A hole that is dug or drilled to reach groundwater is called a(n) ______.

16.Fresh water is used for irrigation in ______worldwide.

17.The highest percentage of industrial water use occurs in Europe and ______.

18.Water that is safe to drink is referred to as ______.

19.A method of providing plants with water from sources other than precipitation is known as ______.

20.A ______is a structure built across a river to control the river’s flow.

21.A landscaping method that involves designing a landscape that uses minimal water is known as ______.

22.The introduction of chemical, physical, or biological agents into water that degrade the water quality is known as ______.

23.Pollution discharged from a single source is called ______pollution.

24.Water that contains waste from homes and industry is called ______.

25.Fertilizer from farms, lawns, and gardens is the largest source of nutrients that cause ______.