Extraction of Metals From Its Ore (3)

Mining issues in Malaysia (3)

Air pollution by gases released from blast furnaces

Mining issues in Malaysia (4)

Destruction of habitat due to construction of mines

Mining issues in Malaysia (5)

Sound pollution from mining machinery

Mining issues in Malaysia (6)

Soil erosion due to mining of ore

Mining issues in Malaysia (7)

Water pollution due to cleaning of ore

Metals that exist in the form of elements in Earth's crust (1)

Silver (Ag)

Metals that exist in the form of elements in Earth's crust (2)

Gold (Au)

Metals that is extract through direct heating of the metallic compounds (1)

Copper (Cu)

Metals that is extract through direct heating of the metallic compounds (2)

Mercury (Hg)

Metals that is extracted through the process of electrolysis (1)

Potassium (K)