In 2009, google launched an operating system called os.

The answer is the Chrome OS. This was announced by Google in July 2009. It is an operating system that uses the Google Chrome web browser as its main user interface and planned by Google that is grounded on the Linux kernel. As an outcome, Chrome OS mainly supports web apps.

a) hostility to or prejudice against jews.

b) the holocaust, also referred to as the shoah, was a genocide during world war ii in which nazi germany, aided by its collaborators, systematically murdered approximately 6 million european jews             , around two-thirds of the jewish population of europe, between 1941 and 1945.

answer; /// i believe that the correct answer is (d)the huang he river valley;