Geography [3 Mark Question Answer]

Uses of copper are :

• Copper is mainly used in making electric and telephone wires.
• It is also used in making pipes and coins.
• Alloys such as brass and bronze are made using copper.

Iron is the main metal used for making steel, which is used in almost all industries. The main producers of iron are China (42%), Australia (22%), Brazil (10%), South Africa, etc. India produces about 4% of total iron ore. The main states in India are Odisha, MP, Jharkhand, Andhra Pradesh, Tamil Nadu.

When the top layer of soil is removed and the rocks that lie underneath are extracted with the help of heavy machinery is called surface mining. Surface mining is done to extract minerals that are found close to the surface such as coal and some kinds of sedimentary rocks like limestone and mica.