Ch8

Question 0

The top layer or dead leaves

Answer 0

Litter

Question 1

Is anything that occurs naturally in the environment that occurs naturally in the environment and is used by people

Answer 1

Natural resources

Question 2

Second layer is a mixture of rock fragments nutrients water air and decaying animal and plant matter

Answer 2

Topsoil

Question 3

The third layer also contains rock fragments. Water and air but has less animal and plant matter than the topsoil

Answer 3

Subsoil

Question 4

The last layer that makes up earths crust natural processes such as freezing and thawing Gradually break apart the bedrock

Answer 4

Bedrock

Question 5

The process by which water wind or ice moves particles of rocks or soil is called

Answer 5

Erosion

Question 6

When the soil becomes less fertile

Answer 6

Nutrient depletion

Question 7

Includes nutrients that help crops grow better

Answer 7

Fertilizers

Question 8

The advance of deserlike conditions into areas that previously were fertile is called

Answer 8

Desertification

Question 9

Is a period when less rain then normal falls in an area

Answer 9

Drought

Question 10

The process of restoring an area of land to amore productive state

Answer 10

Land reclamation

Question 11

People cut down wood land to Harvey timber or clear the land for farms or ranches

Answer 11

Deforestation

Question 12

Large area of land are developed as more and more people move to cities and suburbs

Answer 12

Urbanization

Question 13

Pollutants or

Answer 13

Emissions

Question 14

Is a thick brown haze formed when certain gases in te air react with sunlight

Answer 14

Photochemical smog

Question 15

Form of oxygen which is toxic and is the major chemical found in smog

Answer 15

Ozone

Question 16

When a layer of warm air prevents the rising air from escaping

Answer 16

Temperate inversion

Question 17

Precipitation that is more acidic than normal because of air pollution

Answer 17

Acid rain

Question 18

A colorless odorless gas that is radioactive

Answer 18

Radon

Question 19

A layer of the upper atmosphere about 15-30 kilometers above earth

Answer 19

Ozone layer

Question 20

Are human made gases that contain chlorine and fluorine

Answer 20

Chlorofluorocarbons

Question 21

Streams and smaller rovers that feed into main rivers are called

Answer 21

Tributaries

Question 22

The land area that supplies water to a river system is called a

Answer 22

Watershed

Question 23

A lake that stores water for human use is called a

Answer 23

Reservoir

Question 24

Over time nutrients can build up in the lake in a process called

Answer 24

Eutrophication

Question 25

Materials that sand and gravel allow water to pass through they are known as

Answer 25

Permeable

Question 26

Meaning water can't pass through it

Answer 26

Impermeable

Question 27

The top water zine is called the

Answer 27

Unsaturated zone

Question 28

The level where the pries in the ground are saturated with water

Answer 28

Saturated zone

Question 29

The top of the saturated zine is the

Answer 29

Water table

Question 30

Any underground layer or permeable rock or sediment that Hilda water and allows it to flow is called

Answer 30

Aquifer

Question 31

Water rises on its own because of pressure within an aquifer

Answer 31

Artesian zone