Match the key aspect ofa functions graph with its meaning x intercept

After the attacks of september 11, 2001, the united states demanded that

What is the main difference between primary and secondary sources? a. primary sources are historical documents, and secondary sources are modern-day documents. b. primary sources are derived from museums and archives, and secondary sources are created by history students and academics. c. primary sources are found in ancient places with a rich history, and secondary sources are found in historical journals and blogs. d. primary sources are created during a particular historical era, and secondary sources are created by studying primary sources.

The explorer marco polo who visited china was from barcelona luxembourg rome venice