Answer: Option A
Answer: (a)
Shensi in the coalfield of China. It is a province of the People’s Republic of China, officially part of the Northwest China region. Saar is known as coal mining in Germany.
The Saarland is one of Germany’s sixteen federal states. Its capital is at Saarbrücken.
Donetz Basin is the coalfield of Ukraine. It comprises the Donbas Foldbelt, which is the uplifted and compressional deformed part of the Pripyat–Dniepr–Donets (PDD) Basin.
Pennsylvania is known for coal mining in the U.S.A. Pennsylvania, officially the Commonwealth of Pennsylvania, is a U.S. state that is located in the northeastern and mid-Atlantic regions of the United States, and the Great Lakes region.