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Moon7296 Posted 14 years ago
Essay & Composition Writing

a comma before "that"?

1. The first law of thermodynamics, that the total energy content of the universe is constant, is sometimes called the "conservation law."

I heard that a comma after (probably) relative clause "that" can't be used.
But how come a comma is used in #1?
  

Top answer

moon7296.... 1. " The sentence and the commas are correct.

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1 Answers
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moon7296.... 1. The first law of thermodynamics, (stating) that the total energy content of the universe is constant, is sometimes called the "conservation law."
The sentence and the commas are correct.