Environmental risks of economic development Definitions

Question 1

Desertification

Answer 1

the spread of desert conditions

Question 2

Global warming

Answer 2

the natural greenhouse effect due to the Earth having an atmosphere that traps greenhouse gases(was fairly constant up to 250 years ago)

Question 3

Enhanced global warming

Answer 3

the impact of additional greenhouse gases added to the atmosphere by economic activity in the past 250 years

Question 4

Sustainability

Answer 4

the ability to fulfill the resource requirements of the present generation without reducing the ability of future generations to have the same access to the benefits of these resources

Question 5

Sustainable development

Answer 5

development that meets the needs of the present without compromising the ability of future generations to meet their own needs

Question 6

Biotic

Answer 6

living parts of an ecosystem(eg. plants and animals)

Question 7

Abiotic

Answer 7

non-living parts of an ecosystem(eg. minerals, soil, air, etc.)

Question 8

Conservation

Answer 8

the care of species, resources and environments so that they will survive for future generations

Question 9

Ecosystem

Answer 9

a system of links between plants and animals(the living community) and the habitats where they live, including the non-living environment

Question 10

Soil erosion

Answer 10

the gradual process of movement and transport of the upper layer of soil(topsoil) by water, wind and other forces