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​C10: Quiz 3
1) Societies need to act in a sustainable way. What does sustainability mean?
 
2) What are the three words beginning with R that can help us to become more sustainable? Give a definition of each of the 3 words.
 
3)
a) Give and explain 3 benefits of recycling metal.
b) Give 2 disadvantages of recycling.
 
4) What is an ore?
 
Question 5 & 6 are for higher tier!
5) Bioleaching can be used to obtain copper from a low grade copper ore.
a) Explain how bioleaching obtains copper.
b) Give a positive of bioleaching.
c) Give a negative of bioleaching.
 
6) Phytoextraction/ phytomining can be used to obtain copper from a low grade copper ore.
a) Explain how phytoextraction/ phytomining obtains copper.
b) Give a positive of phytoextraction/ phytomining.
c) Give a negative of phytoextraction/ phytomining.