U2 T10 Flashcards
Key term - resource
The name of a material or the total amount of a material that could theoretically be exploited
Key term - crust
The solid surface layer of the Earth, made up of plates of the crust that from the continent or the ocean floor
Key term - Mantle
The molten and semi- molten layer of the Earth between the core and the crust
Key term - ore
A body of a rock that contains minerals that can be exploited
Key term - “in situ”
In the place where it is found
Name 4 polluants that are released by lithosphere
- Carbon dioxide
- Acid rain
- Acid mine drainage
- Heavy metal pollution
What does the lithosphere involves?
The crust and the upper part of the mantle beneath the crust
Name the 4 “sphere”
- biosphere
- hydrosphere
- atmosphere
- lithosphere
Which of the 4 “sphere” show active processes and dynamic equilibrium least obvious?
The lithosphere
The lithosphere provides resources and services in a number of very different ways, name 3 of them
- physical resources for human exploitation such as mined metal ores, non- metal minerals and fossil fuels
- biogeochemical cycles, which recycle essential biological elements such as carbon, nitrogen and phosphorus
- through soil, which provides the growth medium for most plants on land, the habitat for many organisms and the location for the biogeochemical cycles.
Central core, diameter
2800km diameter
Outer core, think
2000 km thick
Mantle, think
3000km thick
Crust, km
6-40 km/5-70km
Where are the convention currents formed?
Between the outer core and the crust