Unit 1 Flashcards
low income country meaning
countries that have the weakest economies and are least developed. the category is determined by the low GNI per capita of US$ 1086 or less
Gross national income or GNI
The total amount of money earned by a nations people and businesses this is used to measure a nations wealth
Middle Income countries
countries that have started to develop with growing industries and GNI per capita is more than 1086 but less than 13205 and is increasing
High income countries
countries that have strong well developed economies and a good standard of living where the GNI per capita is more than 13205
what are factors affecting the economies
social, natural resources, natural disasters and international relationships
sustainability
the ability to meet the needs of the present without compromising the needs of the future
ecosystem
a biological community of organisms interacting with each other and the physical environment`
Pollution
the presence of introduction into the environment of a substance which is harmful or has poisonous effects
biodiversity
the number of different living organisms found within an ecosystem or region
Evaporation
the process by which liquid turns to gas
precipitation
water falls to the ground as rain, snow, sleet or hail
transpiration
water lost through the leaves of the plant
humidity
the percentage of water vapor in the air
condensation
the process by which a gas changes a liquid due to cooling
boiling point
the temperature in which something boils
interception
anything that stops water from hitting the soil
stem flow
rain fall that reaches the ground in a forest by draining down the trunks of plants
through fall
rain that fall through the leaves and branches of the plant
fun off
the draining away of water over land flow
aquifer
an underground storage of water
infiltration
the movement of water into the soil from the surface
through flow
the lateral transfer of water downslope through the soil