What caln became the ruiling caln of japan

What body of water is the second cataract of the nile river submerged under

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

Is an official language in every north african country