9. To reach mineral deposits at great depths, deep bores have to be made.
This process is called
A) shaft mining
B) drilling
C) quarrying
D) Open cast mining
Answers
Answered by
4
Answer:
A) SHAFT MINIGis cooorrwect answer
Explanation:
Deep bores, called shafts, have to be made to reach mineral deposits that lie at great depths. This is called shaft mining.
Answered by
2
Answer:
option A:
Shaft Mining
Explanation:
Shaft Mining: When deep bores (called shafts) are made to reach the mineral deposits at great depth, the process is called shaft mining. Drilling: When deep wells are bored to take out the mineral, the process is called drilling. Petroleum and natural gas are extracted by this method.
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