C10: FINITE AND RENEWABLE RESOURCES

Question 1

What are finite resources?

Answer 1

-resources that will run out
-there is a limited amount

Question 2

What are renewable resources?

Answer 2

resources that can be replenished

Question 3

What is sustainable development?

Answer 3

meeting the needs of current generations without compromising the needs of future generations

Question 4

What are some examples of finite resources?

Answer 4

-coal
-metal
-nuclear fuels
-crude oil
-natural gas

Question 5

What are some examples of renewable resources?

Answer 5

-wood
-leather
-cotton
-ethanol

Question 6

What are the 2 methods of extracting copper from low grade ores?

Answer 6

-Phytomining (Plants)
-Bioleaching (Bacteria)

Question 7

What is the process of phytomining?

Answer 7

-grow plants on low grade ore
-plants absorb copper compounds
-plants are burnt to produce ash containing copper compounds
-electrolysis of copper compounds in ash

Question 8

What is the process of bioleaching?

Answer 8

-bacteria are ‘fed’ low grade copper ores
-bacteria create a ‘leachate’ solution containing copper compounds
-electrolysis of solution

Question 9

What are advs of phytomining and bioleaching compared to mining?

Answer 9

-less CO2 produced
-less destruction of habitats
-preservation of high grade ores