I came across this question as well and the responses here don't seem logical to me. Why are you assuming that the total # of rats that died is 1000 and that the sample of exposed rats was 100. If you flip those numbers around then you'd get the opposite answer. What if 1000 rats were exposed and 10...

OA: A The original sentence is correct. The modifiers “Herman Melville” and “Walt Whitman” are restrictive – they are necessary to restrict the scope of the words “author” and “poet” respectively – and hence the use of comma pairs to set off the modifiers is not appropriate here. In addition, the co...

Melville and Whitman

[u]The author Herman Melville and the poet Walt Whitman are icons[/u] of American literature, greatly beloved by generations past and present. A. The author Herman Melville and the poet Walt Whitman are icons B. Herman Melville the author and Walt Whitman the poet are icons C. The author named Herma...