There are now about 3300 different human "language families" in the whole world. assume that all these are derived from a single original language, and that a language family develops into 1.42 language families every 5960 years. about how long ago was the single original human language spoken?

Select the indirect quotation that correctly sequences the verbs. rockwell said that he was striving to completely capture everything. rockwell said that he strived to completely capture everything. rockwell said that he had been striving to completely capture everything. rockwell said that he had strived to completely capture everything.