Recources
暂无描述。系统推荐的高质量记忆内容，适合每天坚持背诵学习。
卡片预览 (24 张)
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
Fossil fuels
Coal oil natural gas
Difference between brown and black coal
Brown is more moist than black Black produces more energy Black is harder
What are some renewable recourses
Solar, biomass, wind, tidal, ocean, water
Nonrenewable
Fossil fuels, nuclear,
Blackwater and greywater
Black is sewage and get is household water
How is soil formed
Weathering Erosion Deposition
Weathering
The breaking down of rocks
Erosion
The process of soil being carried away by wind and water
Two reasons of global warming
Burning of fossil fuels Deforestation