limestone rock calcite mineral
The missing word is: Mineral.
That is because limestone is a sedimentary rock and the calcite is a carbonate mineral, by logical deduction, the analogy is pretty much describing what the first and third words are.
So, in the end, a limestone is a rock and calcite is a mineral.
The author argues for broadening the scope of what is considered literature and what is okay to teach in classrooms.
Explanation:
The author's argument is that the television and film have been forays old enough to be morally and culturally significant as literature as a large population grows up with exposure to it and its existence shapes their worldview too.
Thus it can be taught in the schools to show what is good and what is not on these forms too as well as to understand what is important in cultural context in these art forms too and what must be preserved as a society.
C. it stays in the moment and is relevant, as the jungles of Vietnam.
A brings it back to the present, which was after everything so it brought down the tone.
B completely gets rid of the morbid darkness
and D there is nothing about needing to remain silent.
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Textual evidence means that the writer uses either direct quotations or paraphrased material from a source in order to support an argument or illustrate a point