Rain or precipitation that is acidic due to pollution. Oxides of sulphur and nitrogen mix with water vapor in the atmosphere to become an acid.

Rain or precipitation that is Rain or precipitation that is acidic due to pollution. Oxides acidic due to pollution. Oxides of sulphur and nitrogen mix wiof sulphur and nitrogen mix with water vapor in the atmosphth water vapor in the atmosph

ere to become an acid.ere to become an acid.

Acid RainAcid Rain

The establishment of a foresThe establishment of a forest by artificial methods, such as t by artificial methods, such as planting or seeding on land whplanting or seeding on land where trees have never grown. Were trees have never grown. Websters 1913 definition: The acebsters 1913 definition: The act of converting into forest or wt of converting into forest or w

oodland oodland

AfforestationAfforestation

A severe immunological A severe immunological disorder caused by the disorder caused by the

retrovirus HIV, resulting in a retrovirus HIV, resulting in a defect in cell-mediated defect in cell-mediated

immune response that is immune response that is manifested by increased manifested by increased

susceptibility to opportunistic susceptibility to opportunistic infections and to certain rare infections and to certain rare

cancers. It is transmitted cancers. It is transmitted primarily by exposure to primarily by exposure to

contaminated body fluids, contaminated body fluids, especially blood and semen. especially blood and semen.

AIDS/HIVAIDS/HIV

a slide of large masses of a slide of large masses of snow and ice and mud down snow and ice and mud down

a mountaina mountain

AvalancheAvalanche

Voluntary limitation or Voluntary limitation or control of the number of control of the number of

children conceived, children conceived, especially by planned use of especially by planned use of contraceptive techniques. contraceptive techniques.

Birth ControlBirth Control

The largest country in The largest country in South AfricaSouth Africa

BrazilBrazil

The USA state that the The USA state that the NBA basketball teams NBA basketball teams Los Los Angeles LakersAngeles Lakers and and Los Los

Angeles ClippersAngeles Clippers are based are based inin

CaliforniaCalifornia

Latin America is also Latin America is also called…called…

Central AmericaCentral America

A natural dark brown to blacA natural dark brown to black graphitelike material used as k graphitelike material used as a fuel, formed from fossilized pa fuel, formed from fossilized plants and consisting of carbon lants and consisting of carbon with various organic and some with various organic and some

inorganic compounds. inorganic compounds.

Coal Coal

An overflowing of water An overflowing of water onto land that is normally onto land that is normally

dry. dry. A flood tide. A flood tide.

(the covering of the earth (the covering of the earth with water that occurred with water that occurred during the time of Noah.)during the time of Noah.)

FloodFlood

A barren or desolate area, especially:

A dry, often sandy region of little rainfall, extreme

temperatures, and sparse vegetation.

A region of permanent cold that is largely or entirely

devoid of life. An apparently lifeless area of

water.

Desert/Tundra

To cut down and clear away the trees or forests

from.

Deforestation

the gradual transformation of habitable land into desert; is usually caused by climate change

or by destructive use of the land

Desertification

The______ states as price for a good rises, the

quantity demanded will fall, holding other factors

constant

law of demand

The capital of India

New Delhi

The ______ states that as more and more variable

factors are added to a given amount of fixed factors,

holding the level of technology constant, the

marginal product will increase and the marginal

cost will increase

law of diminishing marginal returns

The centre of earthquake is…

Epicenters

the process by which a body of water becomes enriched in dissolved

nutrients (as phosphates) that stimulate the growth of

aquatic plant life usually resulting in the depletion of

dissolved oxygen

EutrophicationEutrophication

the process of emitting the process of emitting radiantradiant energy in the form energy in the form

of waves or particles of waves or particles

radiation

The English name for

大峽谷

Grand Canyon

Coasts

Rivers

Climate

Soil

Dykes

Dykes

Earthquakes

ecotourism

Nuclear power

Solar power

Entrepreneur

Evaporation

Hunters

Irrigation

Irrigation

Nomadic herding

fertiliser

fire

floodplain

Infiltration