Which word could describe a flu outbreak that has affected the entire country

Gold is not now being extracted from seawater. why not? a. it would be too disruptive to marine life to develop any marine mineral resources b. there is no gold in seawater c. we don't know how to extract minerals from seawater d. it would be too costly and difficult to separate the small amount of gold from the very large amounts of halite and other minerals

What is the theme of "the story of the fisherman"?

What was istanbul called before he ottomans conquered the city in the 15th century