In this text, the author describes a sequence of technological developments. in what order were these technologies created? the vocoder, sigsaly, cds, mp3 music files mp3 music files, sigsaly, cds, the vocoder cds, mp3 music files, the vocoder, sigsaly sigsaly, the vocoder, cds, mp3 music files

The vocabulary word meaning causing destruction isrevenueruinousrepair

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.

What was the primary goal of pre-historic man? a. cultural adaptations b. obtaining food c. developing settlements d. peaceful cohabitation