We can say that the invention that had the most significant impact on society is: Electricity.
This question is being answered to the best of my knowledge because the options were not properly stated.
<h3>What is electricity?</h3>
Electricity is known to be phenomenon which involves a matter having an electric charge. The invention of electricity is usually credited to Benjamin Franklin who in the 1700s conducted an experiment with his kite during a thunderstorm.
Thomas Edison was also known as an inventor who invented the electric bulb.
The invention of electricity has really proven to be impacting on the society as it has led to many other inventions.
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Answer: No, it is not a run-on sentence</h3>
This is one full thought that doesn't run on for too long. The "overcome with joy" portion is the dependent clause that needs the other part "Mrs. Monroe told her husband the exciting news about her promotion" which is the independent clause. The independent clause could be its own sentence without the dependent clause, but not the other way around.
