Answer: a and b
Explanation: im so sorry if its wrong have a good day.
Thesis. it always catches ur eyes at the beggining of an article
Explanation:
decent, honest, right-minded and many more
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: