The resource cycle Flashcards
1
Q
Explain Resource Cycle 1
A
- Resource Extraction: human take an active roll in harvesting these resources, agriculture, solar pannels.
2.Concentration/Purification: turn the raw material into materials we can use. - Production of goods: turning these materials into goods, wood to building a house, flour into pasta or bread.
- Consumption of these products, for our benefit and society. cars are driven, clothes are worn and bread are eaten.
- End of usefulness of these goods.
- Recycling/ Reused: Reused you can use again without any production, such as second hand clothing. Recycle is converting materials that lost their value into new materials.
- Waste Disposal
- Waste assimilation into Environment
2
Q
What are factors that can change recycle practices?
A
Scarcity of original resource
New technologies create new opportunities for recycling
Reuse cheaper/more energy efficient than production
Socially unacceptable degradation of env by disposal.
3
Q
What are types of recycling/reuse?
A
1) Produces primary resources so it changes back into the same original source material.
2) Produce secondary resources which are resources for production of new source material