Companies are burning coal through combustion to produce electricity. the amount of electrical energy produced is less than the amount of stored potential energy found in coal. which best explains this observation?

Which of the following should be considered when evaluating the credibility of a text based on the voice? whether the voice is masculine or feminineo whether or not there is biaso whether or not the voice is true to the author's actual personalitywhether or not the voice reveals the timeline of the text