C14 The Earth’s resources Flashcards
1
Q
bioleaching
A
a new technique that involves using bacteria to extract metals, such as copper, from low-grade ores
2
Q
blast furnace
A
the huge reaction vessels used in industry to extract iron from its ore
3
Q
life cycle assessment (LCA)
A
carried out to assess the environmental impact of products, processes or services at different stages in their life cycle
4
Q
non-renewable
A
something which cannot be replaced once it is used up
5
Q
thermal decomposition
A
the breakdown of a compound by heating it