alternate methods of extracting metals

Question 1

what are the ways to extract methods

Answer 1

bioleaching
phytomining

Question 2

how to carry out bioleaching

Answer 2

plants grown on land containing compound
plants harvested and burned

Question 3

how to carry out phytomining

Answer 3

bacteria mixed with low grade ore
produce leachate

Question 4

ways to extract the compound

Answer 4

displacement
electrolysis