C12 Flashcards
1
Q
What are some human uses for the earth resources
A
Food
energy needed to cook
Stay warm
Fuel transport
2
Q
Example of a finite resource
A
Crude oils used to make petrol , diesal to use for transport
Limestone to make cement and concrete
3
Q
Example of a renewable resource
A
Solar energy (solar pannels)
Wind energy ( wind turbines)
4
Q
How is a LCA carried out
A
Raw material extraction - manufacture - use / reuse / maintenance - recycle / waste management
5
Q
What products can be reused or recycled
A
Glass jars
Plastic soda bottles
Magazines
6
Q
Recycling of metals
A
Feed conveyor - shredder - decoaster - melting furnace - tilting holding furnace - filtration unit - direct chill casting unit - shredder - ingots
