A gigawatt equals 1,000 of which unit?

Which animal has one coiled shell and moves on one muscular foot? 1 Corinthians 15:26 says, "The last enemy that shall be destroyed is" what? The office tower One Dag Hammarskjöld Plaza, at 885 Second Avenue, is in which city? A fathom, used to measure water depth, equals six of what? One hectare, the metric unit of area, equals about 2.471 of which unit? According to 1 Kings, which Israelite king "spake three thousand proverbs"? Which Ghanaian diplomat served as UN Secretary-General from 1997 to 2006? Which two airlines flew the supersonic Concorde until it was retired in 2003?