Nthe 1600s, an archbishop in ireland calculated that the earth was only 6,000 years old. what do we know now about the earth?
the archbishop was correct
the earth is significantly older than 6,000 years
there is no way to tell the age of the earth
it’s only a little bit older than 6,000 years

What two different approaches did the knights of labor and the american federation of labor take in building a union organization? a) the knights of labor accepted only unskilled workers; the american federation of labor accepted only skilled workers. b) the knights of labor accepted skilled and unskilled workers; the american federation of labor accepted only skilled workers.c) the knights of labor refused to accept african american or chinese workers; the american federation of labor accepted all workers.d) the knights of labor accepted workers from a single industry; the american federation of labor accepted workers from several industries.