Directions: This question presents a sentence, all or part of which is underlined. Beneath the sentence you will find five ways of phrasing the underlined part. The first of these repeats the original; the other four are different. If you think the original is best, choose the first answer; otherwise choose one of the others.
Because cows often need to survive on low quality food, they need a way to extract maximum nutrition from the food they eat before being excreted, and therefore, cows have a special stomach called rumen in which food is repeatedly masticated and chewed
Reveal answer
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