The Oil Embargo of 1973 caused gasoline prices to __________…

The main difference between science and technology is scienc…

Samuel F. B. Morse invented  

A _________ is when people are linked together to get work d…

Which of the following is not a precursor to the modern pers…

Which form of publication is the primary source for people i…

Time zones were invented by railroad companies.

By 1920, most inventors worked for

Margaret Sanger, one of the driving forces behind the invent…

Gresham’s Law, as it applies to culture and commercial broad…