Homework Due 4/12/24 Flashcards
Asthenosphere
Part of the earths mantle, it is hot. Semi molten layer that lies beneath the tectonic plate
Constructive boundary
Where two tectonic plates slide past each other
Convection currents
Transfer heat from one part of a liquid or gas to another. In the earths mantle. The currents which rise from the, the earths core are strong enough to move The earths surface
Continental crust
The part of the earths crust that makes up land. On average 30-50km thick
Divergent plate boundary
When two tectonic plates are moving away from each other.
Deindustrialisation
Decreased activity in manufacturing and the closure of industries leading to unemployment
Globalisation
Increased connections between countries
Greenhouse effect
The way that gases in the atmosphere trap heat from the sun. Like the glass in a greenhouse they let the heat in but prevent most of it from escaping
Greenhouse gases
Gases like C02 and methane
GDP
The total value of goods and services produced by a country in a year
HDI
A standard means of measuring human development
Knowledge economy
An economic system where the production of goods and services is based on knowledge intestine activities that prevent scientific and technical innovation
International migration
The settlement of people travelled overseas
Mega city
A many centred multi city urban area of more than 10 million people. Sometimes formed from several cities merging
Million city
A city with a population between 1-10 million
Rural urban migration
The movement of people from the countryside to the cities normally to escape poverty or to search for work
World cities
Trade and invest globally
