Which method is used to extract oil and natural gas?

Which of the following is a non metallic mineral?

Which mining is used for obtaining cassiterite?

Where does iron mines are found?

In which mining does minerals are extracted by panning?

Which mining will remove the soil strips?

Which country has large reserves of bauxite?

Which type of mineral is an important fuel resource?

In which form does minerals are mixed with rock materials?

Which method is used for mining of limestone?