chapeter 11 lenin

Question 1

surface water

Answer 1

fresh water on earths land surface

Question 2

river system

Answer 2

a flowing network of water

Question 3

watershed

Answer 3

the are of land that is drained by a river

Question 4

groundwater

Answer 4

water that is found beneath the surface of the earth in spaces of sediment and rock formations

Question 5

aquifer

Answer 5

an underground formation that contains groundwater

Question 6

porosity

Answer 6

the percentage of the total volume of a rock that has spaces

Question 7

permeability

Answer 7

the ability of rock or soil to allow water to flow through it

Question 8

recharge zone

Answer 8

are of earth’s urface from which water percolates down into an aquifer

Question 9

potable

Answer 9

safe to drink

Question 10

pathogen

Answer 10

organisms that cause illness or disease.

Question 11

dam

Answer 11

built across rivers to control the flow

Question 12

reservoir

Answer 12

an artificial lake

Question 13

desalination

Answer 13

the process of removing salt from salt water

Question 14

water pollution

Answer 14

the introduction of chemical, physical, or biological agents into water

Question 15

point source pollution

Answer 15

polution discharged from a single source

Question 16

non point source pollution

Answer 16

comes from many different sources that are often difficult to identify

Question 17

wastewater

Answer 17

water that contains waste from homes or industry

Question 18

artificial eutrophication

Answer 18

inorganic plant nutrients enter the water from sewage and fertilizer runoff

Question 19

thermal polution

Answer 19

the temperature of a body of water increases.

Question 20

biomagnification

Answer 20

organisms storing pesticides in its tissues that is passed on to the next organism.