The correct answer is letter A. limestone. The type of rock is especially likely to form in caves is limestone. Most of these rock formations inside the cave are stalagmites and stalactites. It is formed because of water drippings where dissolved rock is deposited on the surface of cave floors and ceilings.
Compared with the land in the highlands, the lowlands region of england a) rockier and more difficult for farmingb) the center of business and industryc)richer in coal reservesd)covered by more fertile farmland d) covered by more fertile farmland