Ch 11 Brianscape

Question 1

surface water

Answer 1

water that collects on the surface of the ground.

Question 2

river system

Answer 2

a drainage basin or watershed.

Question 3

watershed

Answer 3

an area or ridge of land that separates waters flowing to different rivers, basins, or seas.

Question 4

groundwater

Answer 4

water held underground in the soil or in pores and crevices in rock.

Question 5

aquifer

Answer 5

a body of permeable rock which can contain or transmit groundwater.

Question 6

state of being porous

Answer 6

porosity

Question 7

permeability

Answer 7

ost often are separated by layers of fine-grained material, such as clay, shale, or silt, which serve as confining beds

Question 8

recharge zone

Answer 8

Recharge zones refer to those areas where water infiltrates through the permeable rock and sediment

Question 9

potable

Answer 9

safe to drink; drinkable.

Question 10

pathogen

Answer 10

a bacterium, virus, or other microorganism that can cause disease.

Question 11

dam

Answer 11

a barrier constructed to hold back water and raise its level, forming a reservoir used to generate electricity or as a water supply.

Question 12

reservoir

Answer 12

a large natural or artificial lake used as a source of water supply.

Question 13

desalination

Answer 13

the process of removing salt from seawater.

Question 14

water pollution

Answer 14

Water pollution is the contamination of oceans, seas, lakes, rivers, aquifers, and groundwater.

Question 15

point-source

Answer 15

a source of energy, such as light or sound, which can be regarded as having negligible dimensions.

Question 16

pollution

Answer 16

the presence in or introduction into the environment of a substance or thing that has harmful or poisonous effects.

Question 17

nonpoint-source

Answer 17

a source of pollution that issues from widely distributed or pervasive environmental elements.

Question 18

pollution

Answer 18

the presence in or introduction into the environment of a substance or thing that has harmful or poisonous effects.

Question 19

wastewater

Answer 19

water that has been used in the home, in a business, or as part of an industrial process.

Question 20

artificial

Answer 20

made or produced by human beings rather than occurring naturally, especially as a copy of something natural.

Question 21

eutrophication

Answer 21

excessive richness of nutrients in a lake or other body of water, frequently due to runoff from the land, which causes a dense growth of plant life and death of animal life from lack of oxygen.

Question 22

thermal pollution

Answer 22

any deviation from the natural temperature in a habitat

Question 23

biomagnification

Answer 23

the concentration of toxins in an organism as a result of its ingesting other plants or animals in which the toxins are more widely disbursed.