In the United States, deposits of anthracite coal are found:
O along the Rocky Mountain Trench
O all across the midwestern states
in the Appalachian Mountains
on the Gulf Coast Plain



Answer :

Answer:

Appalachian Mountains

Explanation:

In the United States, deposits of anthracite coal are found in the Appalachian Mountains. This type of coal is known for its high carbon content and energy efficiency and is primarily located in northeastern Pennsylvania within the Appalachian region.