6. what gets dissolved in bioleaching
- rock
- bacteria
- copper
7. what does PREW stand for
- pollution resources energy waste
- poo rots everyones water
- resources waste energy pollution
8. what are ores
- rocks that contain no metal so have to be extracted
- rocks that contain enough metal to be economically extracted
- liquids that contain enough metal to be economically extracted
9. what is extracting copper using carbon called
- smellting
- melting
- carbonising
