Which of the following would not be a way we can cut back on our use of oil?
A. Using cars that are more fuel efficient
B. Better insulating our homes and windows
C. Using more air conditioning in the summers
D. Using more public transportation

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.