Answer:
Limestone, sedimentary rock composed mainly of calcium carbonate (CaCO3), usually in the form of calcite or aragonite. It may contain considerable amounts of magnesium carbonate (dolomite) as well; minor constituents also commonly present include clay, iron carbonate, feldspar, pyrite, and quartz.
Explanation:
Answer: B
Explanation: In the raven. The protagonist is going insane due to the pain and greief he is feeling for the loss of his love. He is haluccinating the raven, but that is due to the fact that he is in pain from the loss of lenore.
The answer is B. in a comfortable chair
c. respectful.....................
