Question

Suggest reasons why developing surface mines is easier than developing mines
underground?

Answer 1

Answer:

Explanation:

Surface mining cheaper than underground mining?

Why underground mines cost higher compared to surface coal mines. Recall that it takes more time, pressure, and heat to form higher-ranked coal. ... Approximately 50% of total coal production in the Interior region consists of surface mines. Underground mining is generally more expensive than surface mining.

hope it helps you.

Answer 2

Answer:

refer to the attachment