Answer :
Final answer:
Coal in the US is unevenly distributed due to geological factors and concentrated reserves in specific regions.
Explanation:
Coal is unevenly distributed in the United States due to geological factors. The majority of coal reserves, about one-fourth of the world's total, are concentrated in eastern Montana, Wyoming, and southern Illinois. This geographical distribution of coal plays a significant role in why coal is unevenly distributed in the U.S.
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