Recources Flashcards
Minerals
Natural substances that make up rocks
Mineral orbe
A substance that contains mineral value
Mining
Proces of removing a mineral orb from the ground
Fossil fuels
The reserve of energy that comes from the earths crust from dead animals
Renewable energy
Energy that can be replenished
Biomass
A renewable fuel produced by the remains of living things
Global warming
The rise in the average temp of earth due to the enhanced greenhouse effect
Greenhouse effect
Trapping of heat in the earths atmosphere by the gases
Deforestation
The removal of trees
Desalation
The separation of fresh and sea water
Bauxite
Aluminium
The difference between open it mining and underground mining
Open is mining close to the surface and underground is deep under the ground
3 steps of extracting meter from an orb
Concentration, reduction, purification
Galena
Lead
Sphalerite
Zinc