Question

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what industry was the steam industry first used in? coal steel river rewatch submit

Explanation:

The steam engine was first used in the coal industry (for pumping water out of coal mines). Among the options, Coal is the correct choice as steam technology's initial application was in coal mining operations. Steel industry's use of steam came later, and "River" is not an industry.

Answer:

Coal (the option with "Coal" text, assuming the first checkbox is for Coal)