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Flashcards in Ch 8 Study Guide Deck (31):
0

Using land to grow food crops is an example of

Agriculture

1

A value abl mineral deposit is located just above the surface what method is used to retrieve it

Strip mining

2

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

Water she's

3

The process of restoring land to a more productive state

Land reclamation

4

What is eutophication

When nutrients build up at the bottom of a lake

5

This is an example of how human activities may harm the balance in the ecosystem

Realeasjmg emissions from vehicles

6

Which indoor air pollution is a colorless radioactive gas that is colorless

Carbon monoxide

7

One of the acids in acid rain forms when water combines

Gases

8

What is a major technology role in controlling air pollution

Reducing emissions

9

A well in which underground rises because of pressure

Artesian well

10

A river system is made up of a lake and it's

Tributaries

11

The water in ponds and lakes is

Still

12

A lake that stores water for human use is called a

Reservoir

13

People can obtain groundwater by drilling a well

Into an aquifer

14

An aquifer is

Underground layer of permeable rock

15

The stream and small rovers that feed into a main river is called

Tributaries

16

The type of molecule that is the major cause of the ozone hike and blocks the ozone cycle is

CFC

17

Framers may leave fields unplanted or plant alternate crops to reduce

Nutrient depletion

18

Is a dangerous wheather condition in which a layer of warm air traps smog close to earths surface

Temperate inversion.

19

Many uses of land including logging mining and farming expose the soil which can lead to

Erosion

20

The small lake that forms when a loop rover is scut off from the main channel is called

Oxbow lake

21

Water moves easily through blank materials

Permeable

22

People may not have enough water during a blank a period When rainfall is scarce

Drought

23

Building a highwY is an example of the type of land use known as

Development

24

Scientist think that deforestation is one cause of blank because carbon dioxide increase when Peaple burn trees

Global warming

25

A radioactive gas that is naturally formed by underground rock

Radon

26

A rover and all of its tributaries make a

River system

27

The are of soil in which the pores are totally filled with water is called

Saturated zone

28

The top of the saturated zone is called the

Water table

29

People can not use most of the fresh water on earth because it is

Ice

30

The main chemical found in smog is blank which forms when sunlight reacts with certain gasses

Ozone