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James Watt contributed to society by ________. creating an effective steam engine pioneering research on radioactivity developing the phonograph and motion camera discovering vaccination and microbial fermentation

User EOB
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2 Answers

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Hey there!

The answer to your question is the first option.

James Watt contributed to society by
creating an effective steam engine.

Hope this helps you.
Have a great day!
User Skd
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3 votes
He created the steam engine. Hope it helps! :)
User Hooknc
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