The revision that will make the sentence more precise is this: I HAVE SOME CHANGES THAT I BELIEVE WOULD MAKE THE TRAFFIC LIGHT SYSTEM WORK BETTER. This sentence is more precise, because it gives accurate information about the intention of the speaker. The original sentence was a little bit confusing because of the word choice of the speaker but the revised version chose the right words to express the speaker's intention.
Sample Response: "Sea Fever” by John Masefield uses several poetic devices that classify it as a fixed form poem. It has three stanzas of four lines each; it has a repeating aabb, ccdd, eeff rhyme scheme; and each line is about the same length and uses the same rhythmic pattern.
Answer: Hm well personally I think none of the above. I think you should take a scientific question and research it (ie. What happens if you burn soap bars) but I guess if I had to choose one from here then A?
